Term
| extensor carpi radialis longus |
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Definition
Innervation: Radial Nerve C7/8
Origin: lateral supracondylar ridge of humerus
Insertion: base of second metacarpal
Action: wrist extension/abduction
Blood Supply radial artery
Antagonist: flexor carpi radialis |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: lateral epicondyle and ulna
Insertion: base of fifth metacarpal
Action: wrist extension/abduction
Blood Supply radial artery
Antagonist: flexor carpi ulnaris |
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Term
| extensor carpi radialis brevis |
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Definition
Innervation: Radial Nerve C7/8
Origin: lateral epicondyle of the humerus
Insertion: base of third metacarpal (few fibers to 2nd)
Action: wrist extension/abduction
Blood Supply radial artery
Antagonist: flexor carpi radialis |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: lateral epicondyle
Insertion: dorsum of middle and distal phalanges of 4 fingers
Action: wrist/finger extension
Blood Supply: radial artery
Antagonist: Flexor digitorum superficialis, flexor digitorum profundus |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: lateral epicondyle
Insertion: dorsal proximal phalanx of digit five
Action: extension of digit 5
Blood Supply radial artery
Antagonist: Flexor digiti minimi brevis |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: posterior surface of ulna/interosseos membrane
Insertion: extensor hood of 2nd finger
Action: extension of digit 2
Blood Supply radial artery
Antagonist: |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: posterior shaft of ulna and interosseous membrane
Insertion: distal phalanx of 1st finger (thumb)
Action: extension of thumb
Blood Supply radial artery
Antagonist: Flexor pollicis longus muscle,Flexor pollicis brevis muscle |
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Term
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Definition
Innervation: Radial Nerve C7/8
Origin: posterior surface of radius
Insertion: base of the proximal phalanx of the thumb
Action: extension of thumb
Blood Supply radial artery
Antagonist: |
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