Muscular System

Circumduction:

• increasing the angle between two bones, or straightening a body part

• moving a body part toward the midline

• moving in a circle at a joint, or moving one end of a body part in a circle, while the other end remains stationary

• turning a body part around its own axis

Rotation:

• turning a body part around its own axis

• moving in a circle at a joint, or moving one end of a body part in a circle, while the other end remains stationary

• decreasing the angle between two bones, or bending a body part

• moving a body part toward the midline

Tags

NGSS.MS-PS2-1

Flexion

• Moving a body part away from the midline

• Decreasing the angle between two bones

• Increasing the angle between two bones

• Moving a body part toward the midline

Extension:

• Moving a body part away from the midline

• Decreasing the angle between two bones

• Increasing the angle between two bones

• Moving a body part toward the midline

Abduction:

• Moving a body part away from the midline

• Decreasing the angle between two bones

• Increasing the angle between two bones

• Moving a body part toward the midline

Adduction:

• Moving a body part away from the midline

• Decreasing the angle between two bones

• Increasing the angle between two bones

• Moving a body part toward the midline

Which of the following types of muscle is involuntary?

• Cardiac

• Visceral

• Smooth

• Skeletal

Which of the following types of muscles is voluntary?

• Cardiac

• Visceral

• Smooth

• Skeletal

The origin of the muscle is the end that moves during contraction and relaxation.

• True

• False

Tendons attach bone to bone.

• True

• False