| A | B |
|---|
| Frontalis. | Raises eyebrows. |
| Orbicularis oculi | Blinks and closes eyes. |
| Orbicularis oris. | Closes and protrudes lips. |
| Temporalis. | Closes jaw. |
| Zygomaticus. | Raises corner of mouth. |
| Masseter. | Closes jaw. |
| Buccinator. | Compresses cheek as in whistling and sucking; holds food between teeth during chewing. |
| Sternocleidomastoid. | Flexes neck; rotates head. |
| Platysma. | Pulls corners of mouth inferiorly. |
| Pectoralis major. | Adducts and flexes humerus. |
| Rectus abdominis. | Flexes vertebral column. |
| External oblique. | Flexes and rotates vertebral column. |
| Biceps brachi. | Flexes elbow and supinates forearm |
| Brachialis. | Flexes elbow. |
| Deltoid. | Abducts. |
| lliopsoas. | Flexes hip. |
| Adductor muscles. | Adducts thighs. |
| Sartorious. | Flexes thigh on hip. |
| Quadriceps group. | All extend knee; rectus femoris also flexes hip on thigh. |
| Tibialis anterior. | Dorsiflexes and inverts foot. |
| Extensor digitorum longus. | Extends toes and dorsiflexes foot. |
| Fibularis muscles. | Plantar flex and evert foot. |
| Trapezius. | Extends neck and adducts scapula. |
| Latissimus dorsi. | Extends and adducts humerus. |
| Erector spinae. | Extends back. |
| Quadratus lumborum. | Flexes spine laterally; extends spine. |
| Deltoid. | Abducts humerus. |
| Triceps brachi. | Extends elbow. |
| Flexor carpi radialis. | Extends wrist and abducts hand. |
| Extensor digitorum. | Extends fingers and wrist. |
| Gluteus maximus. | Extends hip. |
| Gluteus medius. | Abducts thigh; steadies pelvis during walking. |
| Hamstring muscles. | Flex knee and extend hip. |
| Gastrocnemius | Plantar flexes foot and flexes knee. |
| Soleus. | Plantar flexes foot. |
