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218 Cards in this Set
- Front
- Back
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Significance of maximum point of anterior convexity
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Landmark for insertion of catheter into subclavian vein
(Subclavian v. sits posterior and superior to clavicle) |
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At what rib levels does the scapula lie?
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2nd -7th
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Six allowable motions of scapulothoracic (physiological) joint
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Depression
Elevation Upward rotation Downward rotation Retraction Protraction |
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Describe relationships between structures associated with the suprascapular notch
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Suprascapular nerve runs through,
inferior to the transverse scapular ligament, which can trap the nerve Suprascapular artery runs superior to the transverse scapular ligament, and is not involved in trapping the nerve |
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What is the inferior angle of the scapula a landmark for?
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T6 spinous process
7th interspace |
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What 3 muscles attach to the CORACOID process of the scapula?
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conjoined tendon of the short head of the BICEPS BRACHII M. and the CORACOBRACHIALIS M.
PECTORALIS MINOR M. |
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2 attachments to LESSER TUBERCLE of humerus
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2 internal rotators:
subscapularis and teres major |
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2 things found in the intertubercular groove
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long head of biceps tendon
attachment of latissimus dorsi muscle |
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Region of most fractures of humerus
Disease that exacerbates frequency of this fracture type |
Surgical neck of humerus
Osteoporosis |
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What lies in the radial groove?
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radial nerve
profunda (deep) brachial artery accomanying veins (separated from bone by triceps m. attachment) |
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Lateral epicondyle of humerus
location attachments (5) |
lateral extending process at distal end of humerus
SUPINATOR EXTENSOR CARPI RADIALIS BREVIS EXTENSOR DIGITORUM EXTENSOR DIGITI MINIMI EXTENSOR CARPI ULNARIS |
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What is endangered by fractures of the lateral epicondyle?
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Radial nerve
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Medial epicondyle of humerus
location attachment |
medial and distal of humerus
common flexor tendon |
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common flexor tendon
location origin for... |
attaches to medial epicondyle of humerus
origin for superficial group of forearm flexor muscles |
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Fracture of medial epicondyle of humerus endangers what?
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Ulnar nerve
runs along posterior aspect of medial epicondyle |
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Olecranon fossa
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big depression on posterior aspect of distal humerus
articulates with olecranon process of ulna |
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Capitulum of humerus
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articularates with radius
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Ulnar sulcus
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groove on posterior surface of medial epicondyle that contains ulnar nerve
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Name four fracture sites on humerus and what nerve each endangers
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Surgical neck: axillary nerve
Radial groove: radial nerve Distal end of humerus: median nerve medial epicondyle: ulnar nerve |
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What separates the ulna from the carpals?
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The triangular fibrocartilage
(ergo, the ulna does NOT articulate with the carpals!) |
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Muscle attachment at olecranon process
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triceps brachii
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brachialis muscle attaches to ulna at the _______
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tuberosity of the ulna
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Attachments of CORONOID process of ULNA
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one head of FLEXOR DIGITORUM SUPERFICIALIS
one head of PRONATOR TERES |
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Radial notch
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depression on lateral surface of coronoid process of ulna where head of radius inserts to form proximal radioulnar joint
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Ulnar styloid
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pointy projection on medial side of head - easily palpable
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3 carpals that articulate with radius
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Scaphoid
Lunate Triquetum |
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Lister's Tubercle
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aka: RADIAL TUBERCLE
dorsal protuberance just PROXIMAL TO STYLOID PROCESS of ulna forms fulcrum around which EXTENSOR POLLICIS LONGUS muscle tendon will travel for additional force |
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Colles fracture
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example of how fx of radius or ulna will often cause fx in other bone
most common fracture of forearm result of forced dorsiflexion of the hand fx in radius --> ulnar process is broken off (avulsed) |
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Describe paths of nourishment to regions of scaphoid bone:
proximal distal |
proximal - no arterial supply; nourishment from diffusion across neck of bone
distal - arterial nourishment (but arteries do not cross neck of bone!) |
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Why are fractures of the scaphoid neck insidious?
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May not show up on x-rays!
And they may never heal! |
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Most dislocated of all the carpals
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Lunate
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proximal portion of metacarpals and phalanges =
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base
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Sesamoid bones
most common: example of: |
can form anywhere, usually on ventral surface of the hand
most common = 2 that form in the tendon of each head of the flexor pollicis brevis example: pisiform |
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3 sources of arterial blood to bones
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Perisoteal arteries
One or more nutrient arteries Metaphyseal and epiphyseal arteries |
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Periosteal arteries
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send blood to the center of bone and supply cortex via radial oriented arteries
most important arterial supply to bone |
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Nutrient arteries
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pierce cortex and travel along length of bone upon reaching medulla branch
supply bone marrow and cancellous bone |
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metaphyseal and epiphyseal arteries
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supply to ends of the bone
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venous drainage from the carpals follows...
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the nutrient artery
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Sympathetic motor nerves in the hand accompany ...
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all incoming arteries and outgoing veins
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visceral sensory nerves in the hand accompany the ...
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sympathetic nerve fibers for vascular tone feedback and control
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somatic sensation (pain) from the carpals is carried by ...
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somatic efferents in the PERIOSTEUM
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Dangers associated with backward dislocations of sternoclavicular joint
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Compromised neural, respiratory and vascular structures that lie posteriorly
(subclavian a. & v., brachial plexus, vagus nerve) |
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2 characteristic parts of the sternoclavicular joint
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synovial membrane
articular disc (increased range of motion) |
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2 intrinsic ligaments of sternoclavicular joint
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Anterior sternoclavicular ligament
Posterior sternoclavicular ligament Interclavicular ligament (crosses midline - very unusual for ligament) |
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Extrinsic ligament of sternoclavicular joint
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Costoclavicular ligament
(btw first rib and sternal end of clavicle) |
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Function of costoclavicular ligament
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between R1 and sternal end of clavicle
limits elevation of pectoral girdle |
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Motion allowed at sternoclavicular joint
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Motion in all directions
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Likelihood of sternoclavicular joint dislocation
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RARE
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Intrinsic ligament
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Ligament connecting two parts of same joint
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Extrinisc ligament
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Ligament connecting two different bones that are not part of the same joint
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Describe acromioclavicular joint
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Synovial with full disc in adulthood that sometimes separates joint space into two spaces
(fibrous joint in young childhood) |
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Intrinsic ligament of acromioclavicular joint
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ACROMIOCLAVICULAR ligament
weak reinforcer superior aspect only |
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Extrinsic ligament of acromioclavicular joint
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CORACOCLAVICULAR LIGAMENT
major reinforcer (does NOT STABILIZE acromioclavicular joint!) 2 components - conoid and trapezoid |
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Function of CORACOCLAVICULAR ligament
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prevents scapula from moving inferiorly relative to clavicle
prevents clavicle from riding up superiorly compared to the scapula |
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What does loss of (functional) coracoclavicular ligament lead to?
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acromioclavicular joint dislocation
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What joint does the coracoclavicular ligament stabilize
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GELNOHUMERAL JOINT
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CONOID part of coracoclavicular ligament limits _______-
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backward travel of scapula
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TRAPEZOID part of coracoclavicular ligament limits __________-
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forward travel of scapula
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What does the term "shoulder disclocation" refer to?
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dislocation of the GLENOHUMERAL joint
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discolation of the acromioclavicular joint is called __________
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A-C separation
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Describe the glenohumeral joint
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Synovial with no disc - ball and socket joint with disproportionately large ball
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Where does the capsule of the glenohumeral joint attach?
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medially at the circumference of glenoid cavity
beyond the glenoid labrum and laterally to the antomical neck |
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What does the inferior redundancy of the glenohumeral joint allow?
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allows separation of capsular surfaces during abduction of the arm - INCREASES ABDUCTION RANGE
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adhesive capsulitis
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aka: "frozen shoulder"
two redundant capsular surfaces of glenohumeral joint fuse together inhibits shoulder abduction |
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What constitutes fibrous layer of glenohumeral joint capsule
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Superiorly - coracohumeral ligament
Anteriorly - glenohumeral ligaments |
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3 anterior glenohumeral ligaments
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superior
middle inferior (weak ligaments) |
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attachments of coracohumeral ligament
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anterior border of greater tubercle
coracoid process |
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The _______ ligament blends with the capsule at its humeral attachment, which ...
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CORACOHUMERAL
...makes it an INTRINSIC ligament by definition |
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4 muscles whose tendons contribute to musculotendinous, or rotator, cuff
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Teres Minor
Infraspinatus Supraspinatus Subscapularis |
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What portion of the musculotendinous cuff is most frequently torn?
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Superior portion - supraspinatus tendon
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CORACOACROMIAL ligament reinforces against _________-
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extreme superior dislocation or motion of the humeral head
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Transverse humeral ligament
attachments contains ________ |
Transverse humeral ligament
attaches at lesser and greater tubercles of humerus contains tendon of long head of biceps brachii |
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Subdeltoid bursa, aka _____
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Subacromial bursa
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2 ramifications of complete tears of supraspinatous portion of rotator cuff
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b/c allow fluid in joint space to intermingle with bursal fluid...
(1) injections into busa = injections into joint space (ergo, sterility protocols for joint injections required) (2) injections into joint for arthrograms will end up in bursa |
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Clinical correlates
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p. 9 Lecture 2
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3 intrinsic ligaments of ulnar humeral joint
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ulnar collateral ligament
radial collateral ligament annular ligament |
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Describe annular ligament of radius
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proximal radius larger than distal radius --> forms funnel that holds radius bone in place and keeps from dislocating under traction forces
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Pediatric clinical correlate of smaller radial head within annular ligament
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radius more easily dislocated by traction
(as when child holding parent's hand stops suddently and parent keeps walking) |
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Major stabilizer of glenohumeral joint
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ROTATOR CUFF
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SACCIFORM RECESS
definition boundaries |
synovial space of distal radioulnar joint
bounded distally by articular cartilage bounded proximally by capsule folding back on itself |
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ARTICULAR DISC of DISTAL RADIOULNAR JOINT
a.k.a: attachments |
TRIANGULAR FIBROCARTILAGE
apex attached to styloid process base attached to ulnar notch of radius |
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2 joints that triangular fibrocartilage participates in
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distal radioulnar
wrist |
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INTRINSIC LIGAMENTS of RADIOCARPAL JOINT
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ULNAR COLLATERAL
RADIAL COLLATERAL PALMAR (VOLAR) RADIOCARPAL 3 others (don't memorize) |
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4 motions of RADIOCARPAL joint
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EXTENSION
FLEXION ADDUCTION (ulnar deviation) ABDUCTION (radial deviation) |
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First carpometacarpal joint
type allows what significant movement one of most common sites of what ds? |
SADDLE JOINT
OPPOSITION OSTEOARTHRITIS |
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MOTIONS OF THUMB
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ABDUCTION
ADDUCTION FLEXION EXTENSION OPPOSITION/REPOSITION |
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Distal heads of metacarpals are united by ____, NOT _____
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ligaments
NOT joints |
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INTRINSIC reinforcement metacarpal phalangeal joints
dorsal - palmar - |
DORSAL capsule reinforced by EXTENSOR APONEUROSIS
PALMAR capsule reinforced by VOLAR LIGAMENT (grooved on anterior surface for FLEXOR tendons) |
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IP joint
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interphalangeal - in the thumb
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PIP joint
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proximal interphalangeal joint
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DIP joint
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distal interphalangeal joint
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Motions NOT allowed by interphalangeal joints
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lateral deviation (abduction, adduction)
hyperextention |
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HILTON'S LAW
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Joints are innervated for pain and proprioception by all the nerves that supply motor innervation to the muscles that cross that joint.
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PARASYMPATHETIC INNERVATION of the SOMATIC structures of upper limb
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NONE
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PREganglionic SYMPATHETIC INNERVATION
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PREganglionic nuclei in intermediolateral gray columns of T1-T5
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POSTganglionic SYMPATHETIC INNERVATION to upper limb
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MIDDLE CERVICAL (C5, C6)
STELLATE/ INFERIOR Cervical (C6, C7, C8) UPPER THORACIC ganglia (T1) |
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Bicipital aponeurosis
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biceps brachii muscle attaches to forearm fascia
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5 important fascias in upper limb
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Brachial fascia (muscles of arm)
Antebrachial fascia (muscles of forearm) Palmar fascia Clavipectoral fascia Axillary sheath |
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COMPARTMENT SYNDROME
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Bleeding within brachial fascia causes intracompartmental pressure accumulation b/c fascia does not expand. Pressure compresses capillary beds --> ischaemia.
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2 septa run length of arm
names attachments |
lateral intermuscular septum
medial intermuscular septum brachial fascia to humerus |
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MEDIAL INTERMUSCULAR SEPTUM contains
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BRACHIAL ARTERY
MEDIAN NERVE part of ULNAR NERVE part of BRACHIAL VEINS |
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Structures in ANTERIOR compartment of arm INNERVATED by
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MUSCULOCUTANEOUS NERVE
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Structures in POSTERIOR compartment of arm INNERVATED by
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RADIAL NERVE
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RISK specific to structures (EXAMPLES) that are partly in each compartment of arm
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compression by the septa
e.g.: ulnar and radial nerves |
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What divides the forearm into anterior and posterior compartments?
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INTEROSSEUS MEMBRANE
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ANTEBRACHIAL FASCIA
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LOOK UP - P. 4 OF LECTURE 3
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INNERVATION of POSTERIOR compartment of FOREARM
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RADIAL NERVE
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6 MUSCLES in SUPERFICIAL layer of POSTERIOR compartment of FOREARM
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Brachioradialis
Extensor carpi radialis longus Extensor carpi radialis brevis Extensor digitorum Extensor digiti minimi Extensor carpi ulnaris |
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5 MUSCLES in DEEP layer of POSTERIOR compartment of FOREARM
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Supinator
Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Extensor indicis |
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ANTERIOR compartments of FOREARM innervated by ______
except for _____, and ______ |
MEDIAN NERVE
except for FLEXOR CARPI ULNARIS & medial 2 heads of FLEXOR DIGITORUM PROFUNDA |
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SUPERFICIAL ANTERIOR FOREARM compartment contains
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Pronator teres
Flexor carpi radialis Palmaris longus Flexor carpi ulnaris Flexor digitorum superificialis |
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DEEP ANTERIOR forearm compartment contains
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Flexor digitorum profunda
Flexor pollicis longus Pronator quadratus |
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PALMAR APONEUROSIS
|
extension of deep anterior fascia of forearm
flattened extension of palmaris longus tendon extends btw thenar fascia and hypothenar fascia |
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Anchorings of palmar aponeurosis
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to skin of palm by anterior fibers of connecting tissue
most dense at locations of palmar creases prevent skin from sliding during grasp |
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Describe formation of AXILLARY SHEATH
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fascia of R1 and R2 becomes continuous with SCALENE FASCIA - part of PREVERTEBRAL FASCIA - tubular part forms around axillary a. and n.
tubular part = AXILLARY SHEATH |
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Contents of AXILLARY SHEATH
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Axillary vessels and branches
Brachial plexus and branches Lymph nodes (5 sets) embedded in fat |
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Clinical significance of axillary sheath
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Sheath forms external cylinder that pulls subclavian and axillary veins open even in hypovolemia
ergo, SUBCLAVIAN v. best access to deep circulartion when pt in shock |
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Boundaries of Axillary Fascia
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Pec. major (anterior axial fold) to latissimus dorsi (posterior axial fold)
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Clavipectoral fascia, aka:
location |
aka: coracoclavicular fascia
deep to clavicular part of pectoralis major |
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RETINACULA
(definition) |
strong, dense circumferential thickenings of sausage fascia surrounding compartments - occur at distal ends of limbs
|
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Function of retinacula
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hold tendons to limb and prevent "bowstringing" during flexion/extension
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2 retinacula in wrist
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EXTENSOR retinaculum - holds finger extensor tendons down
FLEXOR retinaculum, aka: TRANSVERSE CARPAL LIGAMENT - holds FLEXOR TENDONS down and covers MEDIAN NERVE |
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Haver's Glands
definition clinical use |
Fat pads between synovium and fibrous capsule of elbow joint
**extrasynovial, ergo = reliable marker for joint diffusion |
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Significance of proximal opening of interosseus membrane
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allows vessels deep to it
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Function of deep investing fascia
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allow muscles to slide against each other
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ANTERIOR compartment of arm, aka: ________ compartment
|
FLEXOR
|
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POSTERIOR compartment of arm, aka: ________ compartment
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EXTENSOR
|
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In the ANTERIOR compartment, the _______ muscle acts ONLY on the SHOULDER joint
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CORACOBRACHIALIS
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In the ANTERIOR compartment, the ______ muscle acts on the SHOULDER and ELBOW joint
|
BICEPS BRACHII
|
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In the ANTERIOR compartment, the ______ muscle acts ONLY on the ELBOW joint
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BRACHIALIS
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FASCIOTOMY
|
cutting fascia to relieve pressure
life saving in case of compartment syndrome |
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HAND FASCIA
proximally, covers _____ distally, _____ |
ULNAR N. in Guyon's canal
extends longitudinally along fingers |
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HYPOTHENAR FASCIA
|
attached lateral side 5th metacarpal
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THENAR FASCIA
|
attached palmar aspect 1st metacarpal
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TRAPEZIUS
innervation |
CN XI
|
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SERRATUS ANTERIOR
innervation |
Long Thoracic Nerve
C5-C7 |
|
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PECTORALIS MINOR
|
MEDIAL PECTORAL NERVE
(C8-T1) |
|
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LEVATOR SCAPULAE
innervation |
C5
|
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ROTATOR CUFF MUSCLES
innervation |
C5, C6
|
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ONLY rotator cuff muscle that does NOT attach to Greater Tubercle of Humerus
|
Subscapularis
(attaches to LESSER TUBERCLE) |
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TERES MAJOR
innervation |
Lower Subscapularis Nerve
(C5-C7) |
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CORACOBRACHIALIS
innervation |
Musculocutaneous nerve
(C5, C6) |
|
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DELTOID
innervation |
Axillary Nerve
(C5, C6) |
|
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BICEPS BRACHII
innervation |
Musculocutaneous nerve
(C5, C6) |
|
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Musculocutaneous nerve innervates all
|
anterior arm flexors
|
|
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TRICEPS BRACHII
innervation |
Radial nerve
|
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PECTORALIS MAJOR
innervation |
Medial pectoral nerve &
Lateral pectoral nerve |
|
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Latissimus dorsi muscle
innervation |
thoracolumbar nerve
|
|
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SCM
innervation |
CN XI
|
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ANCONEUS
location innervation |
posterior compartment (extensor)
radial nerve |
|
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BRACHIORADIALIS
innervation |
Radial nerve
(correction from lecture) |
|
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BRACHIALIS
innervation |
Musculocutaneous nerve
|
|
|
Palmar Carpal Ligament
|
Region of Hand Fascia
Covers Ulnar Nerve in Guyon's Canal |
|
|
Landmark for division between DEEP and SUPERFICIAL ANTERIOR forearm
|
MEDIAN NERVE
|
|
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EXTENSOR DIGITORUM
innervation |
Posterior Interosseus Nerve
(C7, C8) |
|
|
EXTENSOR DIGITI MINIMI
innervation |
Posterior Interosseus Nerve
(C7, C8) |
|
|
EXTENSOR CARPI ULNARIS
innervation |
Posterior Interosseus Nerve
(C7, C8) |
|
|
EXTERNSOR CARPI RADIALIS
innervation |
Radial Nerve
(C6, C7) |
|
|
SUPINATOR
innervation |
Deep RADIAL Nerve
(C5, C6) |
|
|
ABDUCTOR POLLICIS LONGUS
innervation |
Posterior Interosseus
(C7, C8) |
|
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EXTENSOR POLLICIS BREVIS
|
Posterior Interosseus
(C7, C8) |
|
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EXTENSOR POLLICIS LONGUS
|
Posterior Interosseus
(C7, C8) |
|
|
EXTENSOR INDICIS
|
Posterior Interosseus
(C7, C8) |
|
|
RHOMBOIDS
innervation |
Dorsal Scapular
(C5) |
|
|
ABDUCTOR POLLICIS BREVIS
innervation |
Median
C8 T1 |
|
|
FLEXOR POLLICIS BREVIS
innervation |
Median
C8T1 |
|
|
OPPONENES POLLICIS
|
Median
C8T1 |
|
|
ABDUCTOR DIGITI MINIMI
innervation |
Ulnar
C8T1 |
|
|
FLEXOR DIGITI MINIMI
|
Ulnar
C8T1 |
|
|
OPPONENS DIGITIS MINIMI
innervation |
Ulnar
C8T1 |
|
|
PALMAR INTEROSSEOUS
innervation |
Ulnar
C8T1 |
|
|
DORSAL INTEROSSEOUS
innervation |
Ulnar
C8T1 |
|
|
ADDUCTOR POLLICIUS
innervation |
Ulnar
C8T1 |
|
|
List PRE-PLEXUS Ventral Rami Nerves
|
CN XI (C3-C4)
Phrenic (C3-C5) Dorsal Scapular (C5) Long Thoracic (C5-C7) |
|
|
Spinal nerves (Roots) contributing to Brachial Plexus
|
C5-T1
|
|
|
Levels of divisions of Brachial Plexus, in order from largest to smallest
|
Roots
Trunks Divisions Cords Branches |
|
|
3 Trunks of Brachial Plexus
|
Superior (C5-C6)
Middle (C7) Inferior (C8-T1) |
|
|
Describe DIVISIONS of Brachial Plexus
|
Each Trunk divisdes at the MIDPOINT of CLAVICLE into an anterior and posterior division
(6 DIVISONS) |
|
|
The ANTERIOR Divisions of Brachial Plexus will ultimately supply the _____, _____ and _____
|
Anterior arm
anterior forearm palmar hand |
|
|
The POSTERIOR Divisions of Brachial Plexus will ultimately supply the ____, _____ , _____ and _____
|
Posterior arm
Posterior forearm dorsal hand most of Shoulder |
|
|
Where do the divisions lie?
|
Adjacent to third portion of subclavian artery
Lateral to lateral border of anterior scalene |
|
|
Where do cords lie?
|
from midpoint of clavicle to to just lateral to the lateral border of pec minor and coracoid process
|
|
|
Where do cords divide into terminal branches?
|
Just proximal to the humerus
|
|
|
Location of POSTERIOR cord
|
POSTERIOR to axillary artery
|
|
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Location of MEDIAL cord
|
MEDIAL (and INFERIOR) to axillary artery
|
|
|
Location of LATERAL cord
|
LATERAL (and SUPERIOR) to axillary artery
|
|
|
Nerves arising from POSTERIOR CORD
|
radial
axillary lower subscapular upper subscapular thoracodorsal |
|
|
Nerves arising from ANTERIOR CORD
|
musculocutaneous
median ulnar lateral and medial pectorals |
|
|
Clinical relevance of Brachial Plexus' superficial location
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can be injured by relatively minor trauma to neck and shoulder
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6 NONTERMINAL, named NERVES of Brachial Plexius
(actually 9 in total) |
nerve to the subclavius
suprascapular lateral pectoral medial pectoral upper subscapular thoracodorsal lower subscapular |
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Targets of suprascapular nerve
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supraspinatus m.
infraspinatus m. A-C joint glenohumeral joint (no cutaneous innervation) |
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Targets of Lateral pectoral n.
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pectoralis major
(no cutaneous innervation) |
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Targets of Medial Pectoral n.
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pectoralis minor
(no significant cutaneous innervation) |
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Target of thoracdorsal n.
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Lattissumus dorsi
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Where is ulnar nerve found in the wrist
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passes through Guyon's canal (pisiform and hook of hamate)
exits between ULNAR A. and Tendon of FLEXOR CAPRI ULNARIS |
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Motor innervatino to 5th and medial 4th finger
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ULNAR NERVE
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The ULNAR N. runs under the ______ ligament, but NOT under the ______ ligamentl therefore it is NOT in the ______
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The ULNAR N. runs under the PALMAR (VOLAR) TRANSVERSE ligament, but not under the TRANSVERSE CARPAL ligament; therefore it is NOT in the Carpal Tunnel
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Median nerve runs _____ to brachial artery
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MEDIAN nerve runs ANTERIOR to BRACHIAL ARTERY
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Proximal to elbow, the MEDIAN nerve sits _____ to the BRACHIALIS M
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ANTERIOR
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At the elbow, the MEDIAN nerve runs deep to the (3 structures)
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Bicipital aponeurosis
Pronator Teres Flexor digitorum superficialis |
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At the wrist, the MEDIAN nerve is ____ and _____ to the 9 flexor tendons
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ANTERIOR and LATERAL
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Recurrent Median Nerve
aka motor to near |
aka: thenar nerve
MOTOR to Flexor Pollicis Brevis, Abductor Pollicis Brevis, Opponens Pollicis Brevis Near palmar skin |
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Distal "pinprick test spot for RADIAL nerve.
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Dorsal 1st -2nd web
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Sensory innervation to lateral forearm
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Musculocutaneous n.
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2 major entrapment sites
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Medial nerve - carpal tunnel
Ulnar nerve - cubital tunnel in ulnar groove |
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Axillary artery divided into ___ parts by the ____ muscle
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3 parts
pectoralis minor |
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How many branches in each part of axillary artery?
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1st - 1
2nd -2 3rd - 3 |
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Branch in 1st (medial) part of axillary a
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Superior thoracic a.
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Branches in 2nd (middle) part of axillary a.
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Thoracoacromial
Lateral thoracic |
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Branches in 3rd (lateral) part of axillary a.
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Subscapular
Anterior Humeral Circumflex Posterior Humeral Circumflex |
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Screw The Lawyers Save A Patient
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Superior thoracic artery
Thoracoacromial Lateral thoracic Subscapular Anterior Humeral Circumflex Posterior Humeral Circumflex |
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Boundaries of quadrangular space
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Superior - teres minor
Lateral - Triceps brachii Inferior - Teres Major Medial - Humerus |
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What artery wraps around surgical neck of humerus?
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Posterior Humeral Circumflex
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Where does brachial artery originate?
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Inferior border of Teres Major
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What artery runs with radial nerve in radial groove?
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Deep (profunda) brachialis a.
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Where in wrist is radial artery palpable and accessible?
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Anatomical snuff box
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Origin of superficial palmar branch of radial artery?
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Radial styloid
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Which terminal branch of brachial artery is larger?
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Ulnar
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