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Chapter 2- 403

Terms in this set (10)

Which lever has the fulcrum in between the load and the effort?
A. First class
B. Second class
C. Third class
D. None of the above
A. First class lever
When tendons are inserted farther from the joint the individual should....
A. Be stronger
B. Be weaker
C. There's no correlation between strength and insertion points
D. Both A & C
A. Be stronger
What is the normal curvature of the spine named?

A) Lordotic curve
B) Kyphotic curve
C) Ventral curve
B: kyphotic curve
The biceps' muscle fiber arrangement is ___________?
fusiform
True or False: Pound is a unit of mass not force
FALSE; Pound is a unit of force, not mass
Muscle force is generally greater when_______?
I. more motor units are involved in a contraction
II. the motor units are greater in size
III. the rate of firing is faster
a. only I
b. only II
c. only III
d. I and II only
e. II and III only
f. any of these are possible
F, any of these are possible
A skeletal muscle arrangement inserted ______ from the joint center must contract at a ______ speed.

A. closer, higher
B. farther, higher
C. closer, slower
D. farther, slower
B. farther, higher
Which may be more meaningful in testing?

A. Static strength
B. Maximum load lifts
C. Force capabilities at various loads
D. Isometric contraction
C. Force capabilities at various loads
If the mechanical advantage ratio is less than 1.0, more _______ force must be applied than _______ force to produce an equal amount of torque
A. Resistive; Muscle
B. Muscle; Resistive
C. Normal; Gravitational
D. Gravitational; Norma
B. Muscle; Resistive
Which of the following is NOT an advantage of using weight-stack machines?
A. Safety is increased as less skill is required to maintain control
B. Easier to use, especially for people who lack coordination and proper technique
C. Whole-body training that taxes larger portion of body's musculature and skeleton, and promotes greater bone mineralization that helps prevent osteoporosis
D. Design flexibility is increased as the pattern of resistance can be engineered
C. Whole-body training that taxes larger portion of body's musculature and skeleton, and promotes greater bone mineralization that helps prevent osteoporosis
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