AnswersVA-Physical Education CRUnit Test

Stability & Range of Motion Answers

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1
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Which type of joint allows rotation of one bone around another like when rotating the head?

A
pivot
B
hinge
C
condyloid
D
saddle
2
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Synovial joints have the greatest range of flexibility and motion.

A
T
B
F
3

Range of motion is the distance an object can travel when separated from another object.

A
T
B
F
4

The joints in the fingers are __________.

A
pivot joints
B
saddle joints
C
condyloid joints
D
ball-and-socket joints
5

Which of the following terms describes the straightening of a joint, rather than the bending?

A
flexion
B
hyperextension
C
extension
D
none of the above
6

Why does range of motion need to be measured separately for each joint?

A
The average ranges of motion of joints are not known.
B
Each joint has a different range of motion.
C
Range of motion can change rapidly in a joint.
D
none of the above
7

Why do women typically tend to have slightly greater stability than men?

A
Women are shorter than men, and shorter people are more stable.
B
Men have more muscle mass in their lower bodies that makes them stiff and less stable.
C
Women have lower centers of gravity, and lower centers of gravity provide more stability.
D
The increased muscle mass in their upper bodies makes their centers of gravity difficult to find.
8

Which of the following BEST explains why stability is an important skill for athletes?

A
Without good stability, athletes cannot participate in sports.
B
Without good stability, athletes are too clumsy to perform well.
C
Good stability helps athletes improve their speed.
D
Good stability helps athletes deal with their injuries.
9

Hyperextension bends a joint in the opposite direction as flexion.

A
T
B
F
10

The knee has the same kind of joint as the elbow.

A
T
B
F

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