Term
| What is the origin of the Abductor pollicis brevis muscle? |
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Definition
| scaphoid, trapezium and flexor retinaculum |
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Term
| What is the insertion of the abductor pollicis brevis muscle? |
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Definition
| lateral base of thumb's proximal phalanx |
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Term
| What is the innervation of the abductor pollicis brevis muscle? |
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Definition
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Term
| What is the action of the abductor pollicis brevis? |
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Definition
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Term
| What is the origin of the flexor pollicis brevis muscle? |
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Definition
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Term
| What is the insertion of the flexor pollicis brevis? |
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Definition
| lateral side of base of proximal phalanx |
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Term
| What is the innervation of the flexor pollicis brevis? |
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Definition
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Term
| What is the action of the flexor pollicis brevis? |
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Definition
| flexes metacarpophalangeal joint of thumb |
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Term
| What is the origin of the opponens pollicis? |
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Definition
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Term
| What is the insertion of the opponens pollicis? |
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Definition
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Term
| What is the innervation of the opponens pollicis? |
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Definition
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Term
| What is the action of the opponens pollicis? |
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Definition
| pulls thumb medially and forward across palm |
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Term
| What is the origin of the adductor pollicis? |
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Definition
| bases of 2-3 metacarpals; front of 3rd metacarpal bone |
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Term
| What is the insertion of adductor pollicis? |
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Definition
| base of proximal phalanx of thumb |
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Term
| What is the innervation of the adductor pollicis muscle? |
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Definition
| deep branch of ulnar nerve |
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Term
| What is the action of adductor pollicis muscle? |
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Definition
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Term
| What is the origin of the abductor digiti minimi muscle? |
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Definition
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Term
| What is the insertion of the abductor digiti minimi muscle? |
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Definition
| base of proximal phalanx of little finger |
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Term
| What is the innervation of the abductor digiti minimi muscle? |
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Definition
| deep branch of the ulnar nerve |
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Term
| What is the action of the abductor digiti minimi muscle? |
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Definition
| abducts the little finger |
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Term
| What is the origin of the flexor digiti minimi muscle? |
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Definition
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Term
| Insertion of digiti minimi muscle |
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Definition
| proximal phalanx of little finger |
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Term
| Innervation of flexor digiti minimi muscle? |
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Definition
| deep branch of ulnar nerve |
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Term
| action of flexor digiti minimi muscle |
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Definition
| flexes little finger at metacarpophalangeal joint |
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Term
| origin of opponenes digiti minimi muscle |
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Definition
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Term
| insertion of opponens digiti minimi muscle |
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Definition
| medial border of 5th metacarpal bone |
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Term
| Innervation of opponens digiti minimi muscle |
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Definition
| deep branch of ulnar nerve |
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Term
| action of opponens digiti minimi muscle |
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Definition
| brings 5th metacarpal bone toward thumb |
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Term
| origin of palmaris brevis muscle |
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Definition
| flexor retinaculum and palmar aponeurosis |
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Term
| insertion of palmaris brevis |
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Definition
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|
Term
| innervation of palmaris brevis muscle |
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Definition
| superficial branch of ulnar nerve |
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Term
| action of palmaris brevis muscle |
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Definition
| improves grip of palm by corrugating skin |
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Term
| What is the origin of the lumbrical muscles? |
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Definition
| tendons of flexor digitorum profundus muscle in palm |
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Term
| What is the insertion of the lumbrical muscles? |
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Definition
| extensor expansion of 1st phalanx (fingers 2-5) |
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Term
| What is the innervation of the lateral 2 lumbrical muscles? |
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Definition
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Term
| What is the innervation of the medial two lumbrical muscles? |
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Definition
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Term
| What is the action of the lumbrical muscles? |
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Definition
| flexes fingers at metacarpophalangeal joints and extends fingers at interphalangeal joint |
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Term
| What is the origin of the palmar interosseous muscles? |
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Definition
| side of metacarpal bone that faces midaxis of hand (2nd, 4th, 5th) |
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Term
| What is the insertion of the palmar interosseous muscles? |
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Definition
| extensor expansion on 1st phalanx of each finger, except 3rd finger |
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Term
| What is the innervation of the palmar interosseous muscles? |
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Definition
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Term
| What is the action of the palmar interosseous muscles? |
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Definition
| adducts fingers toward 3rd finger |
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Term
| origin of dorsal interosseous muscles |
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Definition
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Term
| insertion of dorsal interosseous muscles |
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Definition
| extensor expansion of 1st phalanx of fingers 1-4 |
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Term
| innervation of dorsal interosseous muscles |
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Definition
| deep branch of ulnar nerve |
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Term
| action of dorsal interosseous muscles |
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Definition
| abducts the fingers from 3rd finger |
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