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Chp 10 Bonus 2
| Question | Answer |
|---|---|
| The ____ and the inferior fascicles of the ____ depress the shoulder. | rhomboids; trapezius |
| The _____ pulls the radial tuberosity of the radius toward the shoulder, flexing the elbow. its leverage is reduced dramatically if the forearm is ______, since in this position the radial tuberosity faces away from the shoulder | biceps brachii; pronated |
| the ____ pulls the coronoid process of the ulna toward the humerus, thus flexing the elbow. | brachialis |
| if the forearm is pronated, the ____ and ____ are the prime movers in elbow flexion; the biceps brachii cannot contribute much force | brachioradialis; brachialis |
| the ____ extends the forearm by pulling the olecranon process toward the superior, posterior shaft of the humerus and toward the scapula | triceps brachii |
| the ____ wraps around the radius, originating at the lateral epicondyle of the humerus. Contraction rotates the radius | supinator |
| the ____ in the arm is also a powerful supinator, since its insertion (the radial tuberosity) is rotated to face the shoulder when this muscle contracts | biceps brachii |
| the ____ pulls the front of the radius toward the front of the ulna | pronator quadratus |
| the ____ pulls the bones of the wrist and hand toward the medial epicondyle of the humerus | flexor carpi radialis; flexor carpi ulnaris; flexor digitorum superficialis |
| the ___ pulls the posterior surfaces of several bones of the hand toward the lateral epicondyle of the humerus, resulting in both finger and wrist extension | extensor digitorum |
| the flexor carpi radialis, extensor carpi radialis longus, extensor carpi radialis brevis and abductor pollicis longus all contribute to ______. | abduction of the wrist |
| the ____ and ____ contribute to adduction of the wrist. | flexor carpi ulnaris; extensor carpi ulnaris |
| the ___ and ___ both flex the fingers | flexor digitorum superficialis; flexor digitorum profundus |
| the ___ flexes the pollex (thumb) | flexor pollicis longus |
| flexors are on the ____ of the forearm | anterior |
| the ____ and ____ extend the fingers | extensor digitorum; extensor indicis |
| the ____ and ____ extend the pollex (thumb) | extensor pollicis longus; extensor pollicis brevis |
| extensors are on the ____ of the forearm | posterior |
| abduction of the thumb is accomplished by the ____ in the forearm, as well as by several muscles _____. | abductor pollicis longus; in the hand itself |
| abduction and adduction of the other fingers is accomplished by ____ | muscled in the hand |
| the ____ pulls the femur toward the iliac crest, sacrum, and lumar vertebrae, thus flexing the hip | iliopsoas |
| the _____ pulls the femur toward the dorsal ilum, sacrum, and coccyx, extending the hip | gluteus maximus |
| the _____ pull the fibula and tibia toward the ischial tuberosity of the os coxa; with the knee locked, this extends the hip | hamstrings or biceps femoris, semimembranosus, semitendinosus |
| the ____ pulls the greater trochanter of the femur toward the iliac crest, abducting the thigh. | gluteus medius |
| the ____, _____, and _____, together with ____, pull the medial surface of the femur towards the pubis, thus adducting the thigh | adductor longus, adductor brevis, adductor magnus, pectineus |
| the _____ pulls the medial surface of the tibia toward the pubis, thus adducting the thigh | gracilis |
| medial rotation is accomplished by the same muscles that ____ the thigh, together with the ____ and _____. | adduct; gluteus medius; gluteus minimus |
| a group of muscles in the posterior of the upper thigh and hip, the Sartorius in the anterior thigh, and the popliteus in the back of the knee work together to ____ | laterally rotate the thigh |
| prior to the knee flexion, the ____ rotates the tibia medially relative to the femur, unlocking the knee | popliteus |
| the ____, _____, and _____ flex the knee. together, these three muscles are called the _____. | biceps femoris; semitendinosus; semimembranosus; hamstrings |
| the _____, _____ and _____ pull the tibial tuberosity toward the proximal femur, extending the knee. | vastus lateralis; vastus intermedius; vastus medialis |
| the ____ pulls the tibial tuberosity toward the ilium, extending the knee | rectus femoris |
| the four muscles which together constitute the quadriceps are the ____, _____, ____, and ______. | vastus lateralis; vastus intermedius; vastus medialis; rectus femoris |
| the ____ pulls the calcaneus toward the distal end of the femur, plantar flexing the ankle. it is most powerful when the knee is straight. | gastrocnemius |
| the _____ pulls the calcaneus toward the proximal ends of the tibia and fibula, plantar flexing the ankle | soleus |
Created by:
alyssa_yocom