Focus On Life Science: California Grade 7

Chapter 9: The Musculoskeletal System and Levers

Math Practice

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1.
A lateral bending is a movement around which axis?
A)z-axis
B)y-axis
C)x-axis
D)n-axis
2.
Bending forward is what type of movement?
A)an extension in the negative x-direction
B)an extension in the negative y-direction
C)an extension in the positive x-direction
D)an extension in the positive y-direction
3.
Twisting the hips is what type of movement?
A)an axial rotation in the positive z-direction
B)an axial rotation in the negative z-direction
C)an axial rotation in the negative y-direction
D)an axial rotation in the positive y-direction
4.
Twisting to the right is what type of movement?
A)a lateral bending in the positive x-direction
B)a lateral bending in the negative x-direction
C)a lateral bending in the positive y-direction
D)a lateral bending in the negative y-direction
5.
Bending backward is what type of movement?
A)an extension in the positive z-direction
B)an extension in the positive y-direction
C)an extension in the negative z-direction
D)an extension in the negative y-direction
6.
Twisting the head is what type of movement?
A)an axial rotation in the negative z-direction
B)an axial rotation in the positive z-direction
C)an axial rotation in the positive y-direction
D)an axial rotation in the negaitive y-direction
7.
Twisting to the left is what type of movement?
A)a lateral bending in the positive y-direction
B)a lateral bending in the positive x-direction
C)a lateral bending in the negative y-direction
D)a lateral bending in the negative x-direction
8.
What is movement around the x-axis called?
A)a lateral bending
B)an extension
C)an axial rotation
D)a ventral rotation
9.
What is movement around the y-axis called?
A)an extension
B)a lateral bending
C)an axial rotation
D)a ventral rotation
10.
What is movement around the z-axis called?
A)a lateral bending
B)an extension
C)an axial rotation
D)a ventral rotation
Grade 7
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