55 Flashcards
1
Q
What is the function of the opponens digiti minimi?
A
It draws the 5th metacarpal anteriorly and rotates it laterally, deepening the palm’s hollow and aiding opposition with the thumb.
2
Q
Where does the opponens digiti minimi act exclusively?
A
It acts exclusively at the carpometacarpal joint.
3
Q
What is the palmaris brevis muscle, and where is it located?
A
The palmaris brevis is a small, thin muscle located in the subcutaneous tissue of the hypothenar eminence.
4
Q
What is the function of the palmaris brevis?
A
It wrinkles the skin of the hypothenar eminence, deepens the hollow of the palm, and aids in the palmar grip.
5
Q
What structures does the palmaris brevis protect?
A
It covers and protects the ulnar nerve and artery.
