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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 |