Chapter 9 Upper Extremities power point Flashcards
clavicle
scapula
humerous
glenoid
bones of the shoulder
s-shaped
sternal end
acromial end
clavicle
subscapular fossa supraspinous fossa infraspinous fossa scapular spine acromion coracoid process glenoid process glenohumeral joint
scapula
head lesser tubercle greater tubercle intertubercular (bicipital) groove anatomical neck surgical neck deltoid tuberosity radial groove
humerus
forms deep cup in glenoid fossa
very fibrous ring
blends with biceps brachii tendon
glenoid labrum
superior middle inferior ligaments strengthen joint blend with labrum
glenohumeral ligaments
coracohumeral coracoacromial coracoclavicular acromioclavicular transverse humeral
stabilizing shoulder joint ligaments
protect muscle heads
sinovial membrane
thin loose covering
allows full movment
2 openings
shoulder articular joint capsule
1 for biceps brachii tendon
2 joint capsule and bursa
openings in shoulder joint capsule
fluid filled sacs
reduce friction between bone and muscle
bursa sacs
large sac blankets shoulder
cushions rotator cuff muscles
subacromial-subdeltoid bursa
cushions subscapular tendon muscle
subscapular bursa
muscle down spine to scapula
large fan shaped
elevate scapula
trapezius muscle
large muscle that blankets the shoulder
deltoid
rotator cuff tear
larbrum tear
pathology of the should joint
muscle along lateral scupula border to head of humerus
teres minor muscle
muscle on anterior of scapula
to greater tubercle
subscapularis muscle
flexor muscles of upper arm
biceps
ventral group
extensor muscles of upper arm
triceps
dorsal group