upper limb Flashcards
what are the rotator cuff muscles and their function?
- supraspinatus (abduction to 15˚)
- infraspinatus (external rotation)
- teres minor (adduction and external rotation)
- subscapularis (adduction to 15˚ and internal rotation)
what nerve innervates teres minor?
axillary nerve
what nerve innervates supraspinatus and infraspinatus?
suprascapular nerve
what nerve innervates subscapularis?
lower and upper subscapular nerves
what muscle is assessed in the empty can test?
supraspinatus
what is a positive painful arc test?
pain at abduction of 60-120˚
which ligament prevents superior dislocation of shoulder?
coracoacromial ligament
which ligament prevents anterior dislocation of shoulder?
glenohumeral ligament
what nerve and what artery wrap around surgical neck of humerus?
axillary n.
anterior and posterior circumflex a.
what nerve and what artery run in the radial groove?
radian n.
deep brachial a. (profunda brachii)
medial epicondyle is origin of most wrist ____
flexors
lateral epicondyle is origin of most wrist ____
extensors
what nerve and artery pass through quadrangular space?
axillary n. and posterior circumflex a.
what does pop eye sign suggest?
bicep tendinitis
what sensory effect will result from fracture of surgical neck of humerus?
regimental patch area (axillary n.)