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79 Cards in this Set

  • Front
  • Back
What are the forearm bones?
Radius and Ulna
What is the forearm flexors origin?
medial humeral epicondyle
What is the forearm extensors origin?
lateral humeral epicondyle?
Where does biceps brachii insert?
tuberosity of the radius and aponeurosis of the biceps brachii
What is the carpals origin?
styloid process
where does the brachialis insert?
tuberosity and coronoid process of the ulna
What is the cubital fossa?
triangular space, anterior surface of the elbow
what is the contents of the cubital fossa?
biceps brachii insertion tendon, brachial artery and its terminal branches (ulnar and radial arteries), parts of the medial and radial nerves.
actions of biceps brachii?
flex the elbow @ humeroulnar joint, supinate the forearm @ radioulnar joints and flex the shoulder @ glenohumeral joint
origin of biceps brachii?
short head - coracoid process of scapula, long head - supraglenoid tubercule of the scapula
origin for brachialis?
distal half of anterior surface of humerus
action of brachialis?
flex the elbow @ humeroulnar joint
What is the most forceful flexor?
brachialis
origin of brachioradialis?
lateral supracondylar ridge of humerus
insertion of brachioradialis?
styloid process of the radius
action of brachioradialis?
flex the elbow @ humeroulnar joint, assist to pronate and supinate the forearm when these movements are resisted
what is the antagonist to biceps?
triceps brachii
origin of triceps?
long head - infraglenoid tubercule of the scapula, lateral head - posterior surface of proximal half of the humerus, medial head - posterior surface of distal half of humerus
insertion of triceps?
olecranon process of the ulna
muscles that rotate radius on the ulna?
pronator teres and pronator quadratus
muscles that flex the hand?
flexor carpi radialis, flexor carpi ulnaris, and palmaris longus
muscles that flex the digits?
flexor digitorum superficialis, flexor digitorum profundus, and flexor pollicus longus
insertion for flexor digitorum superficialis?
middle phalanx
insertion for flexor digitorum profundus?
distal phalanx
insertion for flexor pollicis longus?
on thumb
What is the nerve supply to flexor forearm?
median and ulnar nerve
muscle that rotates radius on the ulna?
supinator
origin of pronator teres?
medial epicondyle of the humerus, common flexor tendon and coronoid process of the ulna
insertion of pronator teres?
middle lateral surface of the radius
origin of pronator quadratus?
medial, anterior surface of distal ulna
insertion of pronator quadratus?
lateral, anterior surface of distal radius
muscles that extend the hand at the wrist?
extensor carpi radialis longus, extensor carpi radialis brevis, and extensor carpi ulnaris
muscles that exten the fingers?
extensor digitorum, extensor digiti minimi, and extensor indicis
muscles that move the thumb?
abductor pollicus longus, extensor pollicis brevis, and extensor pollicus longus
antebrachial fascia?
extensor and flexor retinaculum
which must go thru carpal tunnel?
flexor retinaculum
form a bowl (tunnel)?
carpal bones
which phalanges are proximal?
1-4
which phalanges is distal?
5
which phalanges is middle?
2-5
define humeroulnar joint?
(the elbow) hinged joint
actions of the humeroulnar joint?
flexion, extension, and valgus carrying angle
action of the humeroradial joint?
rotation
what is a carrying angle?
normal vagus, from the elbow distal end of radius and ulna deviates laterally at humerus
what is valgus?
distal extremity deviates laterally
what is varus?
distal extremity deviates medially
which ligament cross @ ulna btwn humerus and ulna?
medial ulnar collateral ligament
which ligament cross @ radius?
lateral radial collateral ligament
action of proximal radioulnar joint?
rotation of the radius
annular ligament at proximal radioulnar joint does what?
from ulna to ulna, wraps around head of the radius stablizing at proximal ulnar joint
interosseus membrane?
(btwn bone) btwn radius and ulna help to stablize movement
radiocarpal joint is?
larger joint, limit excessive movement
what is carpal joints?
2 rows intercarpals, and flexion and extension of wrist
what is carpal tunnel?
soft tissue spaces
ligaments associated with the wrist?
flexor retinaculum
flexor retinaculum?
goes in random direction
what is the job of the flexor retinaculum?
hold tendons in place while muscles contract
carpometacarpal joints (thumb)?
special joint (saddle joint) allows flexion, extension, abduction, rotation; less stable and more prone to injury
movement at elbow ( humeroulnar joint)?
flexion sagittal at 160 degrees, extension sagittal -0 degrees,
movement at forearm (proximal & distal radioulnar joints)
pronation 80 degress and supination 90 degrees
movement at wrist?
flexion 45-60 degrees, extension, ulnar deviation (adduction) 30-40 degrees, and extension, and radial deviation (abduction) 10-15 degrees
movement at hand (carpometacarpal joints - digits 2-4)?
gliding
movement at hand (carpometacarpal joint - thumb)?
flexion, extension, abduction, adduction, medial rotation, and lateral rotation
movement at hand (carpometacarpal joint - digit 5)?
flexion, extension, abduction, adduction, medial rotation, and lateral rotation
movement at hand (metacarpophalangeal joints)?
flexion, extension, abduction, and adduction
movement at hand (interphalangeal joints)?
flexion and extension
what 2 structures are separated by this bursa?
olecranon process and fascia
What type of force might cause inflammation of the olecranon bursa?
blont force trauma and chronic compression
why should massage applications not be applied directly to the bursa?
problem originated with compression
what muscle group is affected with LE?
wrist extensors
what muscle group is affected with ME?
wrist flexors
which type of repetitive muscle contractions often lead to epicondylitis?
pronation and supanation
what structures form the carpal tunnel?
carpals and flexor retinaculum
swelling of the flexor tendons within the tunnel will cause compression of this nerve.
median nerve
(carpal tunnel) pain will mostly be localized to this location?
wrist, hand, and middle 3 fingers
What is tenosynovitis?
an inflammatory irritation between a tendon and its synovial sheath
DeQuervain's tenosynovitis affects the tendons of these 2 muscles
extensor pollicus brevis and abductor pollicus longus
(DeQuervain's Tenosynovitis) what additional step should be taken when treating this condition with DTF?
active engagement midway thru ROM
muscle in this region capable of generating a large force?
elbow flexors