Which movement is primarily associated with the first dorsal interosseous and abductor digiti minimi muscles?

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Multiple Choice

Which movement is primarily associated with the first dorsal interosseous and abductor digiti minimi muscles?

Explanation:
Finger abduction. The first dorsal interosseous sits between the thumb and index finger and its primary action is to pull the index finger away from the middle finger. The abductor digiti minimi, part of the little finger’s muscles, abducts the little finger away from the ring finger. Together these intrinsic hand muscles mainly spread the digits apart, rather than moving the arm or wrist. So, the movement most closely associated with both is finger abduction.

Finger abduction. The first dorsal interosseous sits between the thumb and index finger and its primary action is to pull the index finger away from the middle finger. The abductor digiti minimi, part of the little finger’s muscles, abducts the little finger away from the ring finger. Together these intrinsic hand muscles mainly spread the digits apart, rather than moving the arm or wrist. So, the movement most closely associated with both is finger abduction.

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