1. The abductor hallucis (a) extends the toes, (b) abducts the great toe, (c) abducts the little toe, (d) flexes the toes. 2. The major muscles used in the up portion of a chin-up are the (a) triceps...

1. The abductor hallucis (a) extends the toes, (b) abducts the great toe, (c) abducts the little toe, (d) flexes the toes.

2. The major muscles used in the up portion of a chin-up are the (a) triceps brachii and pectoralis major, (b) infraspinatus and biceps brachii, (c) serratus anterior and external oblique, (d) latissimus dorsi and brachialis.