Muscle Actions

Question 1

Origin

Answer 1

Attachment to an immovable part of the body (like a bone)

Question 2

Insertion

Answer 2

Attachment to a moveable part (like some bones)

Question 3

Action

Answer 3

Specific movement created by contraction

Question 4

Adduction

Answer 4

Movement of the limb towards body

Question 5

Abduction

Answer 5

Moving a limb away from the mid-line of the body

Question 6

Flexion

Answer 6

A moment that decreases the angle of a joint and brings two bones closer together (elbow)

Question 7

Extension

Answer 7

Movement that increases the angle between two part of the body

Question 8

Hyperextension

Answer 8

When angle extends 180 degrees

Question 9

Rotation

Answer 9

Movement of bone around its longitudinal axis (little arm circles)

Question 10

Circumduction

Answer 10

Combination of flexion, extension, abduction, and adduction

Question 11

Pronation

Answer 11

Moving hand from upward position to downward position

Question 12

Supination

Answer 12

Moving hand from downward position to upward position (anatomical position)

Question 13

Inversion

Answer 13

Turning the sole of the foot so it faces medially

Question 14

Eversion

Answer 14

Turning sole of foot laterally

Question 15

Dorsiflexion

Answer 15

Pulls toes off floor

Question 16

Plantarflexion

Answer 16

Straight ankle joints (toes pointed toward floor)

Question 17

Protraction

Answer 17

Moving body party anteriorly (jutting jaw out)

Question 18

Retraction

Answer 18

Move body part posteriorly

Question 19

Depression

Answer 19

Moving a body part inferiorly

Question 20

Elevation

Answer 20

Lifting a body part superiorly