CLASIFICATIONS & BIOMECHANICS CLINICAL ANATOMY NEUROVASCULAR MOVEMENT OTHER
100
Compound synovial modified hinge joint
The elbow joint is classified as?
100
Acromioclavicular joint dislocation
What does a step deformity indicate?
100
Describe innervation to the radiocarpal jointAnterior interosseus nerve (median), posterior interosseous nerve (radial), dorsal & deep branches of ulnar nerve
Describe innervation to the radiocarpal joint
100
Permit a larger ROM
What is the purpose of the glenohumeral joint capsule being loose?
100
Positions glenoid fossa to serve upper limb function, maintain adequate length tension of muscles acting on humerus
What is the purpose of the scapulohumeral rhythm?
200
Radiocarpal & Metacarpophalangeal Joints
Which joints of the upper limb are classified as condyloid synovial?
200
Coracoclavicular & acromioclavicular ligaments
Dislocation of the AC joint would result in which ligaments being torn?
200
Glenohumeral, Acromioclavicular, Sternoclavicicular
The suprascapular artery provides arterial branches to which 3 joints?
200
Abduction & External Rotation
What is the closed pack position of the GH joint?
300
Medial clavicle, clavicular notch of sternum, medial surface of 1st costal cartilage
What are the articulations of the sternoclavicular joint?
300
What is the mechanism for a glenohumeral labrum tear?Sudden contraction of biceps or forceful subluxation of the humeral head over labrum
What is the mechanism for a glenohumeral labrum tear?
300
Acromioclavicular, Sternoclavicular, or both
Movement at the scapulothoracic joint is always accompanied by movement at which other joint/joints?
400
It's a functional joint, not a true anatomical joint as it does not have the features of anatomical joint
Why is the scapulothoracic joint considered atypical?
400
Wrist flexors
An avulsion fracture of the medial epicondyle of the humerus would impact the action of which group of muscles?
400
The humeral head rolls superiorly & slides inferiorly
Describe the movement of the humeral head in the glenoid fossa in OKC abduction
500
What affect does the greater tuberosity of the humeral head have on shoulder abduction?Acts as an anatomical pulley to improve the moment arm of deltoid
What effect does the greater tuberosity of the humeral head have on shoulder abduction?






JOINTS OF THE UPPER LIMB

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