| A | B |
|---|
This is the muscle testing position for:,  | CMC Abduction - Abductor Pollicis Brevis, Abductor Pollicis Longus |
This is the muscle testing position for:,  | Thumb MP Extension -Extensor Pollicis Brevis, Extensor Pollicis Longus |
This is the muscle testing position for:,  | Thumb IP Extension - Extensor Pollicis Longus |
This is the muscle testing position for:,  | Thumb MP Flexion - Flexor Pollicis Brevis, Flexor Pollicis Longus |
This is the muscle testing position for:,  | Thumb IP Flexion - Flexor Pollicis Longus |
This is the muscle testing position for:,  | Thumb CMC Opposition -Opponens Pollicis |
Muscle #2 (red) is the:,  | Abductor Pollicis Brevis |
This is the ______ muscle.,  | Abductor Pollicis Longus |
This is the ______ muscle.,  | Extensor Pollicis Brevis |
This is the ______ muscle.,  | Extensor Pollicis Longus |
| Muscle #1 (dark green) is the:, | Opponens Pollicis |
| Muscle #3 (lime green) is the:, | Flexor Pollicis Brevis |
This is the ______ muscle.,  | Flexor Pollicis Longus |
| The middle 1/3 of the posterior surface of the ulna is the origin of: | Extensor Pollicis Longus |
| Base of the distal phalanx of the thumb is the insertion of: | Extensor Pollicis Longus and Flexor Pollicis Longus |
| IP, MCP, and CMC extension of the thumb is the action of: | Extensor Pollicis Longus |
| The posterior surface of the radius is the origin of: | Extensor Pollicis Brevis |
| The base of the proximal phalanx of the thumb is the insertion of: | Extensor Pollicis Brevis, Flexor Pollicis Brevis, Abductor Pollicis Brevis and Adductor Pollicis |
| This muscle only does MCP and CMC extension of the thumb | Extensor Pollicis Brevis |
| The posterior surface of the ulna and the middle 1/3 of the posterior surface of the radius is the origin of: | Abductor Pollicis Longus |
| The base of the 1st. metacarpal is the insertion of: | Abductor Pollicis Longus |
| Palmar Abduction and extension (radial abduction) of the CMC joint of the thumb is the action of: | Abductor Pollicis Longus |
| The coronoid process of the ulna and the anterior surface of the body of the radius is the origin of: | Flexor Pollicis Longus |
| IP, MCP, and CMC flexion of the thumb is the action of this muscle: | Flexor Pollicis Longus |
| The trapezium and the flexor retinaculum is the origin of: | Flexor Pollicis Brevis & Opponens Pollicis |
| MCP and CMC flexion of the thumb are the only actions of this muscle: | Flexor Pollicis Brevis |
| The schapoid and trapezium carpal bones and the flexor retinaculum is the origin of: | Abductor Pollicis Brevis |
| Abduction of the CMC joint of the thumb is the action of: | Abductor Pollicis Brevis & Abductor Pollicis Longus |
| Entire length of the 1st. metacarpal is the insertion of: | Opponens Pollicis |
| Opposition of the CMC joint of the thumb is the action of: | Opponens Pollicis |
