click below
click below
Normal Size Small Size show me how
BIO201-CH10
Muscles part deuce
| Question | Answer |
|---|---|
| Extends and abducts the wrist. | Extensor carpi radialis longus and brevis |
| Extends the thumb. | Extensor pollicis longus and brevis |
| Flexes the wrist. | Flexor carpi ulnaris |
| Powerful wrist flexors that also stabilize the wrist during finger extension. | Flexor carpi ulnaris |
| Slow-acting finger flexor. | Flexor digitorum profundus |
| Muscle that is primarily responsible for bringing about a particular movement. | agonist |
| Muscle that opposes and reverses the action of another muscle. | antagonist |
| Muscle that stabilizes the origin of another muscle. | fixator |
| muscle that aids another by promoting the same movement. | synergist |
| The _____ helps keep food between the grinding surfaces of the teeth during chewing. | buccinator |
| The pectoralis major has a _____ arrangement of fascicles. | convergent |
| _____ extends the great toe. | extensor hallucis longus |
| _____ is the abnormal protrusion of the small intestine through a week point in the muscle of the abdominal wall. | hernia |
| The _____ runs deep to the external oblique. | internal oblique |
| _____ is the main chewing muscle. | masseter |
| ______ draws the corner of the mouth downward as in expressing horror. | platysma |
| The quadriceps femoris is composed of three vastus muscles and the _____. | rectus femoris |
| The ______ is known a the boxer muscle. | serratus anterior |
| ____ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus. | teres major |
| ______ fibers run at right angles to the axis of the muscle. | transversus |
| ________ is a powerful forearm extensor. | triceps brachii |