The sternocleidomastoid muscle inserts at _____ and _____; its main action is to _____ and _____. A. clavicle and sternum; flexion of arm and rotate arm B. temporal and occipital bone; flexion of neck forward and rotate head C. zygomatic and maxilla, close jaw D. clavicle and scapula; abduction of arm
The sternocleidomastoid muscle inserts at _____ and _____; its main action is to _____ and _____.
| A. |
clavicle and sternum; flexion of arm and rotate arm |
|
| B. |
temporal and occipital bone; flexion of neck forward and rotate head |
|
| C. |
zygomatic and maxilla, close jaw |
|
| D. |
clavicle and scapula; abduction of arm |
The biceps brachii muscle inserts at ______; its main action is _____ and _____.
| A. |
distal phalanges of fingers; extension of fingers |
|
| B. |
olecranon of ulna; extension of forearm |
|
| C. |
radial tuberosity; flexion of elbow and supination of forearm |
|
| D. |
palmar aponeurosis; tenses skin of palm |
The rectus femoris muscle inserts at _____ and _____; its main actions are _____ and _____.
| A. |
sacrum and coccyx; extends and rotates thigh |
|
| B. |
greater trochanter and linea aspera; extends and stabilizes knee |
|
| C. |
condyle of tibia and condyle of femur; extends thigh and flexes knee |
|
| D. |
tibial tuberosity and patella; extends knee and flexes thigh |
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