If you had all of your fingers (including the thumb)spread out wide (full abduction),which muscle or group would bring your thumb toward your first finger?
A)Adductor pollicis
B)Palmar interossei
C)Dorsal interossei
D)Lumbricals
E)Abductor pollicis longus

Question

Quizplus · Accepted Answer

The adductor pollicis muscle is responsible for bringing the thumb towards the first finger (adduction) when the fingers are spread out wide (full abduction). The palmar and dorsal interossei are responsible for controlling movement between the fingers, and the lumbricals and abductor pollicis longus are responsible for other movements of the fingers and thumb.

If You Had All of Your Fingers (Including the Thumb)spread