Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
124 Cards in this Set
- Front
- Back
- 3rd side (hint)
What is the function of the deltoid muscle?
|
1. abduction of the arm.
|
|
|
What is the anterior part of the deltoid and what does it do?
|
1.clavicular
2.anteversion, medially rotates the arm |
|
|
What is the middle part of the deltoid and its function?
|
1.acromial
2. abducts the arm, helps in anteversion |
|
|
What is the posterior part of the deltoid and its function?
|
1.spinal
2. retroversion, lateral rotation of the arm |
|
|
What innervates the deltoid? Where does the nerve come from?
|
Axillary nerve. Brachial nerve C5-C6
|
|
|
Where is the deltoid located? 3 origins.
|
1/3 lateral part of clavicle, acromion process, lower border of the spine of scapula.
|
|
|
What is inserted on the deltoid tuberosity on the lateral part of humerus?
|
deltoid DUH
|
|
|
Where is the supraspinatus?
|
deeper to the trapezius and deltoid muscle.
|
|
|
Where does the supraspinatus attach?
|
1. supraspinatus fossa of scapula
2. the upper facet of the greater tubercle of humerus. |
|
|
What does the supraspinatus do for us?
|
1.abductor of the arm
2.rotator cuff muscle |
|
|
What controls the supraspinatus?
|
1.suprascapular nerve
2. brachial plexus C5-C6 |
|
|
Where is the infraspinatus?
|
1.inferior to the spine of scapula
2. deeper to the spinal fibers of deltoid muscle |
|
|
Where does the infraspinatus attach?
|
1. infraspinatus fossa of scapula
2. middle part of greater tubercle of the humerus. |
|
|
What does the infraspinatus do and what controls it?
|
1.lateral rotator of the arm
2. rotator cuff muscle group 3.suprascapular nerve C4-C6 |
|
|
Where does our teres minor attach?
|
1.lateral border of the scapula
2. the lower facet of the greater tubercle of the humerus |
|
|
What does the teres minor do for us and what controls it?
|
1. lateral rotator of the arm
2. rotator cuff muscle 3.axillary nerve C5-C6 |
|
|
Where does our teres major attach?
|
1.lateral, inferior angle of the scapula.
2. inferior to the lesser tubercle of the humerus. |
|
|
What controls the teres major to adduct and medially rotate the arm?
|
1. lower subscapular nerve C6-C7 brachial plexus
|
|
|
What are the 5 major terminal brachial nerves?
|
1.median
2.radial 3.ulnar 4.axillay or cicumflex 5.musculocutaneous |
|
|
What is the Latissimus Dorsi purpose for us?
|
1. medial, extension, adduction of the arm
2. coughing and force expiration |
|
|
Where does the latissimus dorsi attach?
|
1.T7-T12, thoracolumbar fasicia
2.illiac crest, lower ribs 10-12 3. inferior angle of scapula |
|
|
What controls our Latissimus dorsi?
|
1. thoracodorsal nerve C6-C8
2. only the posterior cord comes from brachial plexus |
|
|
Where is the subscapularis muscle?
|
1. anterior of scapula
2.along the ribs and intercostal muscle |
|
|
Where does the subscapularis attach?
|
1.Scapular fossa (anterior)
2. lesser tubercle of humerus |
|
|
What does the subscapularis muscle do and what controls it?
|
1. Arm adduction and medial rotation.
2. subscapular nerves C5-C7 |
|
|
Where does our pectoralis major attach?
|
1.medial clavicle
2.sternum & upper costal cartilage 3. rectus sheath (abdominal portion) 4.insert into crest of greater tubercle |
|
|
What is the purpose of our pectoralis major?
|
1. adduction & medial rotation of arm
2. assists in respiration by expanding the thoracic cage |
|
|
What does the clavicle portion of the pectoralis major do?
|
1. anteversion of upper arm
|
|
|
What nerves control pectoralis major?
|
1. lateral & medial pectoral nerves C5-T1
2. Brachial plexus |
|
|
Where does our pectoralis minor attach?
|
1. beneth the pectoralis major
2. upper ribs 3-5 3.coracoid process of scapula |
|
|
What is the pectoralis minor's job?
|
1.pulls scapula forward and downward
2. makes glenoid cavity face downward |
|
|
What controls the pectoralis minor?
|
1. medial pectoral nerve C8-T1
|
|
|
What are the attachments of our coracobrachialis muscle?
|
1. coacoid process
2. medial surface of upper part of humerus |
|
|
What does and controls the coracobrachialis muscle?
|
1. anteversion of arm
2. adduction of the arm 3. musculocutaneous nerve C5,C6,C7 lateral cord of brachial plexus |
|
|
Where does our Serratus anterior muscle go?
|
1. 1st 8-9 ribs muscle takes a backward course around chest toward the scapula.
2. medial,superior,inferior angle of scapula |
|
|
What does our serratus anterior muscle do?
|
1. elevates arm above 90
2.protracts scapula holds it against thoracic wall 3. glenoid cavity faces upward-lateral rotation of scapula 4. accessory muscle in respiration while lifting ribs. |
|
|
What innervates the serratus anterior muscle?
|
1. the long thoracic nerve C5-C7
2. proximal nerves of brachial plexus 3. injury to this nerve occurs in removal of lymph nodes |
|
|
Where does the biceps brachii muscle originate?
|
1.short head-coracoid process of the scapula.
2. long head-supraglenoid tubercle |
|
|
What tendon passes through the shoulder joint andintertubercular (bicipital) groove?
|
long head tendon
|
|
|
What aids in anteversion of the shoulder joint?
What is a flexor and strong supinator of the forearm? |
biceps brachi.
biceps brachi @ elbow joint |
|
|
What acts as the abductor and medial rotator of the arm?
|
long head
|
|
|
What acts as an adducter of the arm?
|
short head
|
|
|
What innervates the biceps brachii? casusing Bicep Jerks
|
C5-C6
Musculocutaneous nerve branching from lateral cord of brachial plexus. |
|
|
Where is the brachialis?
|
lower half of the humerous anteriorly to the ulnar tuberosity.
|
|
|
What controls the powerful flexor of the elbow joint?
|
1. brachilias
2. musculocutaneous nerve C5-C6, & RADIAL nerve |
|
|
Coracobrachialis!?
|
1. antevertor of the arm
|
|
|
Triceps long head originates where?
|
1. infraglenoid tubercle
2. insert to olecranon process |
|
|
lateral and medial triceps brachi originate where?
|
1. humerous
2. insert into olecranon process |
|
|
What innervates the posterior muscles on the arm?
|
1. radial nerve C6,C7,C8
Triceps jerk C7-C8 |
|
|
Strong extensor of the arm and aids in 2 shoulder joint retroversion and add of arm?
|
1. triceps brachii
|
|
|
small triangular muscle between lateral epicondyle of humerus and upper ulna?
|
anconeus
|
|
|
1. Common head for flexors?
2. Common head for extensors? |
1. originate from anterior aspect of medial epicondyle of the humerous
2. dorsal aspect of the lateral humeral epicondyle |
|
|
Where is the Palmaris longus located?
|
1. superficially, medial epicondyle of the humerus
|
|
|
What flexes the hand and tenses the palmer aponeurosis?
|
Palmaris longus
|
|
|
What innervates the palmaris longus?
|
median nerve C7-C8
|
|
|
Where is the pronator teres?
|
medial (ulnar) side of the elbow to lateral (radial) side of the forearm
|
|
|
What is the functio of the Protantor teres?
|
pronation of forearm and flexion of the elbow
|
|
|
Where and what innervates the protantor teres?
|
median nerve C6-C7 and passes between two heads of protantor teres
|
|
|
FLexor Carpi Radialis origination?
|
1. runs in the Carpal tunnel in a groove on the trpezium. base of the second metacarpal bone.
|
|
|
What are the functions of flexor carpi radialis?
|
1. Palmer flexion and radial abduction of hand.
2. flexes and pronation of the elbow |
|
|
What innervates the flexor carpi radialis?
|
median nerve C6-C7
|
|
|
Flexor Digitorum Superficialis runs where?
|
3-4 bellies connected to each other, ends in 4 tendons RUNNING in Carpel Tunnel inserting into intermediate phalangeal bones
|
|
|
What does/controls the flexor digitorum do?
|
flexion of the elbow, wrist and fingers.
Median Nerve |
|
|
Where is the flexor carpi ulnaris?
|
medial epicondyle of the humerus and the ulna
hamate and fifth metacarpal bone |
|
|
What does/controls the flexor carpi Ulnaris?
|
1. flexor & adductor of the hand
2. ulnar nerve C7-C8 |
|
|
Superficial layer/ ventral muscles of the forearm?
|
1.Palmaris Longus
2.Pronator teres 3.Flexor Carpi Radialis 4.Flexor Digitorum Superficialis 5.Flexor Carpi Ulnaris |
|
|
Where is the flexor pollicis longus?
|
runs through carpal tunnel. radius and the interosseous membrane
|
|
|
what does the flexor pollicus longus do?
|
flexor of the terminal phalanx(thumb)
|
|
|
What innervates the flexor policis longus?
|
1. anterior interosseus branch median nerve C8-T1
|
|
|
Where is the flexor digitorum profundus?
|
4 tendons run within the carpal tunnel and insert onto the distal phalangeal bones
|
|
|
Where does the flexor digitorum profundus originate?
|
anterior aspect of ulna and interosseus membrane
|
|
|
Where do the flexors of the forearm originate?
|
medial epicondyle
|
|
|
where does the flexor digitorum insert?
|
1. second to fifth digits
2. 2 heads of the tendons of the flexor digitorum superficialis |
|
|
what does the flexor digitorum profundus flex?
|
1. wrist
2.midcarpal joints 3.metacarpophalangeal joints 4.phalangeal joints |
|
|
what controls the flexor digitorum profundus medially/laterally?
|
1.lateral-median nerver interosseus branch C8 & T1
2. Medial-ulnar nerve C8-T1 |
|
|
Where is the pronator quadratus?
|
dital part of the ulna to distal part of radius
|
|
|
What does/controls pronator quadratus?
|
pronates forearm so dos pronatos teres
median nerve anterior interosseous branch C8-T1 |
|
|
What are some characteristics of the carpal tunnel?
|
1. 7 tendons
2. palmarcarpal tendon sheath for protection against friction 3. nutrition is supplied via synovial fluid |
|
|
What passes through the carpal tunnel?
|
1. flexors digitorum superficialis
2. flexor digitorum profundus . median nerve 4.flexor pollicis longus 5. flexor carpi radialis |
|
|
what passes through the canal in the grooove of the trapezium (carpal bone)?
|
flexor carpi radialis
|
|
|
Posterior muscles of the forearm generally do what?
|
extensors- dorsiflexors of the wrist and hand.
|
|
|
what muscle group is located posterolateral aspect of the forearm?
|
radial group muscles
|
|
|
What keeps the extensor retinaculm connected to the bones around the carpel area through extensions?
|
septae
|
|
|
where do the extensor muscles of the posterior forearm pass?
|
several pass through the tendon compartments.
|
|
|
where do the extensor muscles of the posterior forearm pass?
|
several pass through the tendon compartments.
|
|
|
what muscles are part of the radial muscles group?
|
1. brachioradialis
2. extensor carpi radialis longus 3. extensor carpi radialis brevis |
|
|
Were is the brachioradialis located?
|
lateral supracondylar ridge(crest) of the humerus.
Lateral aspect of styloid process of raduiud |
|
|
what does the brachioradialis do?
|
1.protanate & supinate forearm
2. mid position of forearm 3.forearm flexor at elbow joint |
|
|
what innervates the brachioradialis?
|
radial nerve C5, C6,C7
|
|
|
Where does the extensor carpi radialis longus insert?
|
second metacarpal bone
|
|
|
what does the extensor carpi radialis longus do?
|
1. extension & radial abduction of hand at wrist joint.
2.WEAK flexor of the elbow 3. aids in protanation and supination of forearm |
|
|
what innervates extensor carpi radialis longus?
|
radial nerve C6 C7
|
|
|
Where does the extensor carpi radialis brevis insert?
|
3rd metacarpal bone
|
|
|
What innervates the extensor carpi radialis brevis?
|
deep branch of radial nerve C7
|
|
|
what does the extensor carpi radialis brevis do?
|
1. extensor and abductor of the hand at the wrist joint
2. weak flexor of the elbow |
|
|
What nerve is damaged by honey moon pulse or saturday night pulse?
|
radial nerve
|
|
|
what is a charcteristic of the lateral epicondyle?
|
extensor muscles of forearm attach here
|
|
|
Where does the extensor digitorum insert?
|
distal phalangeal bones. NOT the thumb.
|
|
|
What is the responsibility of the extensor digitorum?
|
1. extends the four medial fingers NOT the thumb
2. dorsiflexion of the hand at the wrist |
|
|
What innervates the extensor digitorum?
|
posterior interosseous branch of deep radial nerve C7-C8
|
|
|
what are between the tendons of the extensor digitorum on the hand that form dorsal aponeurosis?
|
dorsal digital expansion
|
|
|
where does the extensor digiti minimi insert?
|
base of the distal phalanx of 5th digit
|
|
|
what is the responsibility of the extensor digiti minimi?
|
extension of 5th digit and dorsiflexion of the hand
|
|
|
what innervates the extensor digiti minimi?
|
posterior interosseus branch of deep radial nerve C7 C8
|
|
|
Where does the extensor carpi ulnaris insert?
|
base of 5th metacarpal bone
|
|
|
what is the function of the extensor carpi ulnaris?
|
extends and adducts the hand at the wrist
|
|
|
what innervates the extensor carpi ulnaris?
|
posterior interosseus branch of deep radial nerve C7-C8
|
|
|
What does and controls the supinator?
|
1. supinate the forearm
2. deep branch of radial nerve C5-C6 |
|
|
What does and controls the supinator?
|
1. supinate the forearm
2. deep branch of radial nerve C5-C6 |
|
|
Where does the abductor pollicis longus insert?
|
1st metacarpal bone
|
|
|
what does the abductor pollicis longus do?
|
abduction of the thumb and extension at the carpometacarpal joint
|
|
|
Where is the extensor pollicis brevis?
|
dorsal surface of ulna and radius and interosseous membrane. inserting to base of proximal phalanx of the thumb.
|
|
|
What is the responsibility of the extensor pollicis brevis?
|
extension of the proximal phalanx at the metacrpophalangeal joint
|
|
|
Where is the extensor pollicis longus?
|
dorsal surface of the ulna and interosseus membrane inserting into the base of the DISTAL phalanx of the thumb
|
|
|
What does the extensor pollicis longus do?
|
extends the thumb at the metacarpophalangeal and interphalangeal joints.
crest on radius as a fulcrum |
|
|
where is the extensor indicis?
|
dorsal surface of the ulna and the interosseous membrane insert to base of the distal phalanx of the index finger.
|
|
|
what does the extensor indicis do?
|
index extension and hand dorsiflexion
|
|
|
What innervates the abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus & extensor indicis?
|
posterior interosseous branch of the deep radial nerve C7-C8
|
|
|
What extensor passes through the 1st compartment of extensor retinaculm?
|
abductor pollicis longus and extensor pollicis brevis
|
|
|
what extensor passes through the 2nd compartment of the extensor retinaculum?
|
extensors carpi radialis brevis and longus
|
|
|
WHat runs through the 3rd compartment of the extensor retinaculum?
|
extensor pollicis longus
|
|
|
what runs through the 4th compartment of E.R.?
|
extensor digitorum and extensor indicis
|
|
|
WHat runs through the 5th compartment?
|
extensor digiti minimi
|
|
|
what runs through 6th compartment of E.R?
|
extensor carpi ulnaris
|
|