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Hand Muscles
| Question | Answer |
|---|---|
| Abductor Pollicus Longus | ABD & Extends Thumb at MCP Joint |
| Extensor Pollicus Brevis | Extends Thumb at CMC & MP Joint; ABD CMC |
| Extensor Pollicus Longus | Extends the IP joint; extends and adducts the thumb MP and CMC joints |
| Extensor Digiti Minimi | Extends the little finger; allows for isolated extension of the little finger |
| Extensor Indicis | extends the index finger and permits isolated extension of the index finger |
| Flexor Pollicus Longus | Flexes the IP joint of the thumb |
| Flexor Digitorum Superficialis | Flexion of middle phalanges of 4 fingers at PIP joint |
| Flexor Digitorum Profundous | flexion of distal phalanges at the DIP joint |
| Dorsal Interossei | Spreads fingers while extending; ABD index, middle and ring finger |
| Palmar Interossei | Draws fingers together while flexing; ADD thumb, index, ring and little finger |
| Lumbricals | Flexes digits at the MP joints, extends PIP & DIP simultaneously; extends PIP with MP joints in extension |
| Abductor Pollicus Brevis | ABD thumb; flexes thumb at MP & CMC joint |
| Opponens Pollicus | Flexes thumb at MP joint; bends thumb medially across palm and rotates thumb medially (opposition) |
| Flexor Pollicis Brevis | Flexes proximal Phalanx of the thumb Flexes thumb MP and CMC joints |
| Adductor Pollicis | Adducts the thumb to the palm |
| Abductor Digiti Minimi | Abducts little finger;Flexes MP joint of little finger |
| Flexor Digiti Minimi | Flexes little finger at MP joint |
| Opponens Digiti Minimi | Draws 5th metacarpal Anteriorly and rotates laterally for Opposition with the thumb |
| Flexor Pollicis Brevis | Wrinkles skin on ulnar side of the palm |
| Brachioradialis | Flexion of elbow in neutral position |
| Supinator | supination of forearm |
| Pronator Teres | Pronation of forearm; assists in flexion of elbow |
| Pronator Quadratus | Pronates forearm |
| Flexor Carpi Radialis | Flexion; ABD of wrist |
| Flexor Carpi Ulnaris | Flexion; ADD of wrist |
| Palmaris Longus | Assists in flexion of the wrist |
| Extensor Carpi Radialis Longus | extenstion; ABD of wrist |
| Extensor Carpi Radialis Brevis | extenstion |
| Extensor Carpi Ulnaris | Extenstion; ADD of wrist |
Created by:
collinsc6
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