UNLV School of Medicine Virtual Anatomy Lab

I.E.3 Forearm, Carpal Region & Hand: Hand Bones, Muscles, Vessels & Nerves: Page 3 of 4

Now investigate the three muscle compartments of the hand.

Intrinsic muscles of the palm and dorsum of the hand:

Step 7:  Add the dorsal interossei.
Step 8:  Add the palmar interossei.
Step 9:  Add the lumbricals.
Step 10:  Add the adductor pollicis.
Step 11:  Add the palmaris brevis.
Question

What are the functions of these muscles?