| Term | Definition |
|---|
| Adductor Pollicis | ADDucts thumb |
| Flexor Pollicis Brevis (Action Only) | Flexes & ADDucts the thumb |
| Abductor Pollicis Brevis (Action Only) | ABDucts the thumb |
| Opponens Pollicis (Origin) | Flexor retinaculum; trapezium |
| Opponens Pollicis (Insertion) | Radial side, first metacarpal (thumb side) |
| Opponens Pollicis (Action) | ABDucts, flexes & rotates the thumb |
| Opponens Pollicis (Nerve Innerv.) | Median Nerve---recurrent branch |
| Palmaris Brevis (Action Only) | Deepens palm |
| Abductor Digiti Minimi (Action Only) | ABDucts & flexes first phalanx of 5th digit |
| Flexor Digiti Minimi (Action Only) | ADDucts, flexzes & rotates 5th digit |
| Opponens Digiti Minimi (Action Only) | ABDucts & flexes 5th digit |
| Lumbricals (Origin) | Tendons of flexor digitorum profundus |
| Lumbricals (Insertion) | Extensor expansion of digits 2-5, radial side |
| Lumbricals (Action) | *Flex MP of digits 2-5. *Extend PIP & DIP of digits 2-5 |
| Lumbricals (Nerve Innverv.) | *Median N. (2 & 3) *Ulnar N. (4 & 5) |
| Palmar Interossei (Origin) | Each one rises from the side of one metacarpal |
| Palmar Interossei (Insertion) | Into base of 1st phalanx & extensor expansion of the same digit as origin |
| Palmar Interossei (Action) | ADDuct 2nd, 4th & 5th digits. Flex MP & extend IP joints of these digits. |
| Palmar Interossei (Nerve Innerv.) | Ulnar----deep branch |
| Dorsal Interossei (Origin) | Each arises from adjacent sides of two metacarpals. (bipennate) |
| Dorsal Interossei (Insertion) | Into base of 1st phalanx & extensor expansion of 2nd, 3rd & 4th digits |
| Dorsal Interossei (Action) | ABDucts 2nd, 3rd & 4th digits. Flex MP & extend IP joints. |
| Dorsal Interossei (Nerve Innerv.) | Ulnar----deep branch |
Combine with other sets
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