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General Medicine General 97be34e2

A patient with Bennett fracture (a fracture of the base of the first metacarpal bone) experiences an impaired thumb movement. Which of the following intrinsic muscles of the thumb is most likely injured?

A
Abductor pollicis brevis
B
Flexor pollicis brevis (superficial head)
C
Opponens pollicis
D
Adductor pollicis

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