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Chapter Quiz
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1What is the major function of muscles?


2 is the force exerted on an object by a contracting muscle, and is the force exerted on a muscle by an object.


3To lift a load, the muscle load must exceed muscle tension.
A)True
B)False


4What type of contraction occurs when you hold an object without moving it (i.e., the muscle remains the same length)?
A)isometric
B)isotonic
C)hypertonic
D)hypermetric


5What type of contraction occurs when you lift weights (i.e., when the tension in the muscle remains constant despite a change in muscle length)?
A)isometric
B)isotonic
C)hypertonic
D)hypermetric


6


insertion
7


origin
8


flexor
9


extensor
Answer choices:
A)where a muscle attaches to a relatively fixed position
B)where a muscle attaches at its more moveable end
C)muscle that bends a joint
D)muscle that straightens a joint


10How are muscles attached to bones?


11Skeletal muscles are typically arranged in pairs, meaning when one contracts, the other relaxes and is stretched.


12What are the four main muscles of the shoulder?


13Describe the location of the biceps brachii.


14Describe the location of the triceps brachii.


15List two processes for which you use your masseter.


16What are the two major antagonistic muscle groups of the thigh?


17When you contract your gastrocnemius, you _________ your foot.
A)extend
B)flex


18Name one function of the gluteus muscle.


19Name one function of the abdominal muscles.





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