Term
| Extensor Carpi Radialis Longus |
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Definition
Innervation: Radial n
Insertion: 2nd metacarpal
Origin: Lateral Supracondylar Ridge
Action: extensor and abductor of wrist |
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Term
| Extensor Carpi Radialis Brevis |
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Definition
Innervation: radial n
Insertion: base of 3rd metacarpal
Origin: lateral epicondyle
Action: extensor and abductor of wrist |
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Term
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Definition
Innervation: Radial n
Insertion: 2-5th distal phalanges
Origin: lateral epicondyle
Action: extension of hand, wrist , fingers |
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Term
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Definition
Innervation: Radial N
Insertion: pinky
Origin: lateral epicondyle
Action: extends pinky(5th digit) |
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Term
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Definition
Innervation: Radial N
Insertion: 5th metacarpal
Origin: lateral epicondyle
Action: extends and adducts the wrist |
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Term
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Definition
Innervation: Radial n
Insertion: Distal phalanx thumb
Origin: Ulna
Action: Extension of thumb. |
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Term
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Definition
Innervation: Radial n
Insertion: first metacarpal
Origin: Ulna/Radius
Action: abduction of thumb |
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Term
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Definition
Innervation: Median n
Insertion: distal phalanx
Origin: radius
Action: flexion of thumb
only found in humans |
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Term
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Definition
Originate on cardianl ligament of wrist, and insert on thumb.
Abductor pollices brevis
Flexor pollicis brevis
Opponens pollicis
All 3 are median n |
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Term
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Definition
Attach to cardinal ligament and insert on pinky
Opponens digiti minimi
Flexor digiti minimi
abductor digiti minimi |
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Term
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Definition
Dorsal Interosseous muscles - Unlar
Abductors. Bipennete
Palmar interosseous - Ulnar n. Adductors |
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Term
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Definition
Innervation: Median. (2,3) Ulnar(4,5)
Insertion: Extensor expansion
Origin:
Action: Flex MCP, Extend IP |
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