AnswersHigh School Physical Education Morris 2026Stability & Range of Motion

Stability & Range of Motion Answers

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1
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The joints in the fingers are __________.

A
pivot joints
B
saddle joints
C
condyloid joints
D
ball-and-socket joints
2
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The center of gravity does not contribute to individual stability.

A
T
B
F
3

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
4

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.
5

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

A
T
B
F
6

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.
7

Synovial joints have the greatest range of flexibility and motion.

A
T
B
F
8

Participating in __________ can improve flexibility.

A
yoga
B
pilates
C
swimming
D
all of the above
9

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

A
pivot
B
hinge
C
condyloid
D
saddle
10

Which of the following describes the BEST strategy for increasing a specific joint's range of motion?

A
developing a rigorous whole-body exercise program
B
avoiding stretching before vigorous exercise
C
applying the principles of overload and progression to exercise the joint
D
spending two hours swimming daily
11

Hyperextension bends a joint in the opposite direction as flexion.

A
T
B
F
12

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
13

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

A
T
B
F
14

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.
15

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

A
pivot
B
hinge
C
condyloid
D
saddle
16

Synovial joints have the greatest range of flexibility and motion.

A
T
B
F
17

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
18

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.
19

Which of the following statements about stability is NOT true?

A
Skilled athletes have high levels of stability.
B
Stability can be learned through practice.
C
Stability is genetic and cannot be improved.
D
Stability requires an awareness of your center of gravity.
20

Which of the following statements BEST explains why ball-and-socket joints have the greatest range of motion?

A
The contours of the two bones allow for maximum movement.
B
The even planes of the bones allow full rotation.
C
The two matching surfaces allow for movement in multiple directions.
D
The cup shape of the socket allows for nearly circular motion.

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