Clinical Anatomy of the Upper Limb Flashcards
name the 2 joints of the shoulder?
glenohumeral
acromioclavicular
name the main stabilisers of the shoulder?
capsule
labrum
rotator cuff
what do the rotator cuff muscles do?
anchor head of humerus into place on the shoulder via scapula
what things other than a rotator cuff tear can cause shoulder impingement?
tendonitis
subacromial bursitis
osteophytes from AC joint
how can the hand be affected by a shoulder impingement?
impingement can damage nerves to the hand
what nerve supplies the deltoid?
axillary nerve
where does a bankart lesion occur?
lower part of labrum
what is a bankart lesiom?
a split in the labrum of the shoulder
what movement is especially lost in frozen shoulder?
external rotation
what 3 things can be affected in shoulder displacement?
ac joint dislocation
coracoclavicular ligament rupture
clavicle fracture
what nerve supplies sensation of the lateral forearm?
musculocutaneous nerve
what nerve supplies the posterior compartment of the arm?
radial nerve
why do you get wrist drop if the radial nerve is damaged?
it supplies all the extensors of the arm and lost extension means you cant lift wrist
what movement is done by the radio-capitellar joint?
supination
pronation
name the origin of the extensor muscles of the elbow
lateral epicondyle