Wrist/Hand Extensors Word Scramble
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| Question | Answer |
| Action of Flexor Pollicis Longus | Flexes the thumb, Assists in flexing the thumb |
| Origin of Flexor Pollicis Longus | Anterior surface of the radius, deep to flexors |
| Insertion of Flexor Pollicis Longus | Distal phalange of thumb |
| Nerve that innervatesthe Flexor Pollicis Longus | Median |
| Action of Extensor Indicis | Extension of the index finger at metacarpophalangeal joint, weak wrist extension |
| Origin of Extensor Indicis | Middle to distal 1/3 of the posterior ulna |
| Insertion Of Extensor Indicis | Base of middle and distal phalanxes of 2nd phalange (dorsal surface) |
| Nerve innervates Extensor Indicis | Radial |
| Action of Extensor digiti minimi | Extension of little finger at the matacarpophalangeal joint |
| Origin of Extensor digiti minimi | Lateral epicondyle of the humerus |
| Insertion Extensor digiti minimi | Base of the middle and distal phalanxes of the 5th phalange (dorsal surface) |
| Nerve that innervates Extensor digiti minimi | Radial |
| Action of Extensor Pollicis Longus | Extension of the thumb, Extension of the wrist |
| Origin of Extensor Pollicis Longus | Posterior lateral surface of lower middle ulna |
| Insertion of Extensor Pollicis Longus | Base of the distal phalanx of the thumb (dorsal surface) |
| Nerve that innervates Extensor Pollicis Longus | Radial |
| Action of Extensor Pollicis Brevis | Extension of the thumb, weak extension of the wrist |
| Origin of Extensor Pollicis Brevis | Posterior surface of the lower middle radius |
| Insertion of Extensor Pollicis Brevis | Base of the proximal phalanx of the thumb (dorsal surface) |
| Nerve innervates Extensor Pollicis Brevis | Radial |
| Action of Abductor Pollicis Longus | Abducts the thumb, Extends the thumb, abducts the wrist |
| Origin of Abductor Pollicis Longus | Posterior aspect of the radius and midshaft of the ulna, deep to the extensors |
| Insertion of Abductor Pollicis Longus | Base of 1st metacarpal |
| Nerve innervates Abductor Pollicis Longus | Radial |
| Action of Extensor Carpi Radialis Longus | Extend the wrist, abduct the wrist, assist in flexion of elbow |
| Origin of Extensor Carpi Radialis Longus | Lateral supracondylar ridge of humerus |
| Insertion of Extensor Carpi Radialis Longus | Base of 2nd metacarpal |
| Nerve that innervates Extensor Carpi Radialis Longus | Radial |
| Action of Extensor Carpi Radialis brevis | Extend/abduct the wrist, assist in flexion of elbow |
| Origin of Extensor Carpi Radialis brevis | Lateral supracondylar ridge of humerus |
| Insertion of Extensor Carpi Radialis brevis | Base of 3rd metacarpal |
| Nerve innervates Extensor Carpi Radialis brevis | Radial |
| Action of Extensor Digitorum | Extends the 2nd through 5th fingers, assists in extension of the wrist |
| Origin of Extensor Digitorum | Common extensor tendon from lateral epicondyle of humerus |
| Insertion of Extensor Digitorum | Middle and distal phalanges of 2nd through 5th Fingers |
| Nerve that innervates Extensor Digitorum | Radial |
| Action of Extensor Carpi Ulnaris | extends/adducts the wrist |
| Origin of Extensor Carpi Ulnaris | common extensor tendon from lateral epicondyle |
| Insertion of Extensor Carpi Ulnaris | base of 5th metacarpal |
| Nerve innervates Extensor Carpi Ulnaris | Radial |
Created by:
goodbunn
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