Which criterion (or criteria) is/are used in naming the gluteus medius?a. relative size,b. muscle location,c. muscle shape,d. action,e. number of origins.

A prime mover of thigh flexion is thea. rectus femoris,b. iliopsoas,c. vastus muscles,d. gluteus maximus.

The major extensor of the elbow is the (a) triceps brachii, (b) biceps brachii, (c) deltoid, (d) subscapularis.

The prime mover of thigh extension against resistance is thea. gluteus maximus,b. gluteus medius,c. biceps femoris,d. semimembranosus.

The muscles that rotate the radius without producing either flexion or extension of the elbow are the (a) brachialis and brachioradialis, (b) pronator teres and supinator, (c) biceps brachii and triceps brachii, (d) a, b, and c.

The powerful flexor of the hip is the (a) piriformis, (b) obturator, (c) pectineus, (d) iliopsoas.

Which of the following is a large, deep muscle that protracts the scapula during punching?a. serratus anterior,b. rhomboids,c. levator scapulae,d. subscapularis.

Knee extensors known as the quadriceps femoris consist of the (a) three vastus muscles and the rectus femoris, (b) biceps femoris, gracilis, and sartorius, (c) popliteus, iliopsoas, and gracilis, (d) gastrocnemius, tibialis, and peroneus.

Which muscles act to propel food down the length of the pharynx to the esophagus?