Joints of UE Flashcards
Pectoral girdle joints (3)
sternoclavicular
acromioclavicular
glenohumeral
….covers the articular surfaces of the AC joint
fibrocartilage
AC Joint- ligaments (2)
AC ligament
coracoclavicular ligamen
The coracoclavicular ligament not only strengthens the AC joint but also suspends the … from clavicle and strengthens the … from downward force.
scapula
coracoid process
AC joint dislocation is usually from
direct impact to the shoulder
AC separation sign
piano key sign
Which joint isolation has a Tossy classification?
AC joint
Glenoid labrum is made up of…
fibrocartilage (hyaline)
Weak point for dislocation of the glenohumeral joint?
inferiorly
Glenohumeral joint capsule has two apertures or extensions…
tendon of the long head
subscapular bursa
Shoulder flexors
pec major, delt, coracobrachialis and biceps brachii
Shoulder extensors
lat, long head of triceps and delt
Shoulder abductors
supraspinatus (first 15 degrees) then delt
Shoulder adductors
pec major, lat, teres major and rotator cuff muscles
Shoulder medial rotator
pec major, subscapularis, teres major, lat
Shoulder lateral rotator
infraspinatus, teres minor, delt
Muscles that hold the head of the humerus to the glenoid cavity?
rotator cuff
Muscles that resist downward dislocation of the glenohumeral joint?
coracobrachialis, biceps, long head of triceps and delt
Shoulder exam of infraspinatus and teres minor?
rotate forearm laterally against resistance
Shoulder exam of subscapularis?
lift off or gerbers test
Nerve supply of glenohumeral joint?
suprascapular
axillary
lateral pectoral nerve
What is it when patient has pain levels passively or actively?
calcific supraspinatus tendonitis
Elbow joint ligaments
radial collateral ligament
ulnar collateral ligament
What ligament comes off the radial collateral ligament?
annular ligamen
What bands come off the ulnar collateral ligament?
anterior cordlike
posterior fanlike
oblique
Chief flexors of the elbow
brachialis, biceps brachii, bracioradialis
Chief extensors of the elbow
triceps brachii
Three bursa at the elbow
subtendinous
intratendinous
subcutaneous
Most common bursitis of the elbow?
subcutaneous olecranon bursitis
What forms a ring that completely encircles the head of the radius to the radial notch of the ulna?
annular ligament
Chief muscles in supination?
supinator when there is no resistance and biceps with there is and the elbow is flexed
Chief muscles in pronation?
pronator quadratus and pronator teres muscles
Subluxation and dislocation of the radial head…
when the head of the radius is pulled out of the annular ligament
Chief muscles in wrist flexion
flexor carpi radialis and flexor carpi ulnaris
Chief muscles in wrist extension
extensor carpi radialis longus and brevis, extensor carpi ulnaris
Chief muscles in wrist abduction
flexor carpi radialis, extensor carpi radialis longus and brevis, and abductor pollicis longus
Chief muscles in wrist adduction
flexor and extensor carpi ulnaris
Radial nerve is only … to the hand.
sensory
Ulnar nerve innervates all intrinsic hand muscles except
1/2 LOAF: lumbricals, opponens pollicis, abductor pollicis brevis, flexor pollicis brevis
