Elbow Flashcards

0
Q

Distal attachment of Triceps Brachii

A

Posterior aspect of proximal aspect of olecranon of the ulna and deep fascia of the forearm.
A few fibres from the medial head, the articularis cubiti, attach to the posterior part of the capsule of the elbow joint

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1
Q

Proximal attachment of Triceps Brachii

A

Long head- infraglenoid tubercle and adjacent glenoid labrum of the scapula, blending at its upper part with the shoulder joint capsule
Lateral head- an area superolateral to the spiral groove on the posterior aspect of the shaft of the humerus between the attachments of Deltoid and Teres Minor
Medial head- posterior surface of the humerus, inferomedial to the spiral groove as far distally as the olecranon fossa

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2
Q

Nerve supply Triceps Brachii

A

Radial Nerve C6,C7, C8
Lateral head C6,C7
Medial and Long heads C7,C8

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3
Q

Proximal attachment Brachioradialis

A

Upper two thirds of lateral supracondylar ridge of humerus and adjacent part of lateral intermuscular septum

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4
Q

Distal attachment Brachioradialis

A

Lateral surface of radius just proximal to styloid process

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5
Q

Nerve supply Brachioradialis

A

Radial Nerve C5, C6

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6
Q

Proximal attachment Supinator

A

Humeral head- lateral epicondyle of humerus by common extensor tendon and takes fibres from radial collateral ligament of elbow joint and annular ligament of superior tibiofibular joint
Ulnar head- supinator crest on ulna and supinator fossa of ulna

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7
Q

Distal attachment Supinator

A

Posterior, lateral and anterior aspects of the radius, from the neck as far down as the attachment of Pronator Teres on mid shaft of the radius

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8
Q

Nerve supply Supinator

A

Posterior Interosseous Nerve C5, C6

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