Arkansas Esthetician Practice Exam

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Which muscle helps in making a fist by moving the thumb towards the fingers?

Flexor Ulnaris
Supinator
Opponens
Abductor

The correct answer is: Opponens

The opponens muscle is the most likely choice because it is located in the palm of the hand and helps to move the thumb towards the fingers, allowing for the formation of a fist. The other options listed are not involved in the movement described in the question. The flexor ulnaris muscle is located on the inside of the forearm and helps to flex the wrist. The supinator muscle is located in the forearm and is responsible for rotating the forearm. The abductor muscle is located in the forearm and is responsible for moving the thumb away from the fingers. So, while these muscles may be involved in hand or wrist movement, they are not directly responsible for making a fist by moving the thumb towards the fingers. Therefore, the opponens muscle is the best choice for this question.