| A | B |
|---|
| Biceps brachii | anterior upper arm-flexes the arm |
| Brachioradialis | most superficial muscle on the radial side of the forearm-flexes the forearm |
| Buccinator | main muscle of the cheek-compresses the cheek-accessory muscle of mastication |
| Deltoid | covers the shoulder joint-prime mover of arm abduction |
| Diaphragm | floor of the thoracic cavity-primary muscle of normal breathing |
| External (abdominal) oblique | largest and most superficial muscle of the abdomen-assists in respirations |
| Hamstring | posterior portion of the thigh-flexes the lower leg |
| Gastrocnemius | posterior portion of the calf-flexes the foot |
| Gluteus maximus | large muscle of the buttocks-extends the thigh |
| Gluteus medius | muscle of the buttocks-abducts and rotate the tight |
| Intercostal muscles | between the ribs-lifts and lowers the ribs to assist breathing |
| Latissiumus doris | triangular muscle of the middle lower back-helps to adduct and rotates arms and extends the arm |
| Masseter | thick muscle of the cheek-closes the jaw-aids in mastication |
| Pectoralsi major | major muscle of the chest-flexes the chest |
| Quadriceps femoris | anterior portion of thigh-extends lower leg |
