Intrinsic Muscles Flashcards

1
Q

Thenar Eminence

A

Abductor Pollicis Brevis (APB)
Flexor Pollicis Brevis (FPB)
Opponents Pollicis (OP)
Adductor Pollicis (AP)

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2
Q

Hypothenar Wad

A

Abductior Digiti Minimi (ADM)
Flexor Digiti Minimi Brevis (FDMB)
Opponents Digiti Minimi (ODM)

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3
Q

Interossei Muscles

A

4 x dorsal interossei (DI)
DAB – abduction

3 x palmar interossei (PI)
PAD – adduction

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4
Q

Lumbrical Muscles

A

4 x Lumbrical Muscles

All act to flex their respective MCP joints, and extend the PIP and DIP joints.

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