Proximal Attachments
What is the proximal attachment of the brachioradialis?
Upper 2/3 of the lateral supracondylar ridge of the humerus and anterior aspect of lateral intermuscular septum
what is the distal attachment of the brachoradialis
distal radius, laterally at the base of the styloid process
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& also crapped his pants in tutorial
Kyle
what is the nerve supply of extensor carpi radialis longus
radial nerve (C6,7)
what is the action of the brachioradialis
flexes the elbow when the forearm is in neutral and acts to stabilize the elbow during rapid flexion or extension
What is the proximal attachment anconeus?
a distal facet on the lateral epicondyle
what is the distal attachment of the flexor carpi radialis
palmar aspect of the base of the second metacarpal (with a slip to the third)
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Gianna
what is the nerve supply of flexor carpi ulnaris
ulnar nerve (C7,8)
what is the action of the flexor carpi radialis
flexes the wrist by acting with other flexors & radially deviates the wrist by acting with extensor carpi radialis longus and brevis
what is the proximal attachment of the extensor digiti minimi?
common extensor tendon, adjacent intermuscular septum
what is the distal attachment of the pronator teres
halfway along the lateral surface of the radial shaft via a flat tendon
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Lauren
what is the nerve supply of flexor digitorum superficialis
median nerve (C7,8 and T1)
what is the action of flexor digitorum superficialis
flexion of all the joints crossed primarily the proximal interphalangeal (PIP) and secondarily the metacarpophalangeal (MP) wrist joint
what is the proximal attachment of brachialis
arises from the anterior surface of the distal half of the humerus, and to the adjacent intermuscular septa, more so medially
what is the distal attachment of the flexor digitorum superficialis
humeroulnar head: common flexor tendon; anterior part of the ulnar collateral ligament; adjacent intermuscular septa and medial aspect of the coronoid process
radial head: a fibrous arch continues to the radial tuberosity and anterior oblique line to which the muscle is attached as a thin sheet
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tara
what is the nerve supply of extensor digiti minimi
posterior interosseous nerve from the radial nerve (C7,8)
what is the action of the brachialis
flexes the elbow when the forearm is pronated or supinated
what is the proximal attachment of supinator
superficial head (tendinous): from the lateral epicondyle, radial collateral and annular ligaments of the elbow, and from behind the supinator crest and fossa of the ulna
deep head (muscular): from the supinator crest and fossa of the ulna
what is the distal attachment of the extensor carpi ulnaris
dorsoulnar aspect of the 5th metacarpal base
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what is the nerve supply of supinator
posterior interosseous nerve (deep motor branch of the radial nerve) C5,6
what is the action of aconeus
assists with extension of the elbow (working together with the triceps)