PTT Chap 8 Movement Glossary

Question 1

Agonist

Answer 1

the muscle which produces the movement in muscle interactions

Question 2

Antagonist

Answer 2

the muscle which opposes or produces the opposite movement in muscle interactions

Question 3

Synergist

Answer 3

muscle which acts to produce motion similar to or in concert with agonist muscles

Question 4

Lateral Flexion

Answer 4

side-bending

Question 5

Adduction

Answer 5

toward the midline

Question 6

Abduction

Answer 6

away from the midline

Question 7

Flexion

Answer 7

decreasing joint angle; forward bending from anatomical position

Question 8

Extension

Answer 8

increasing joint angle; bending backward from anatomical position or a return from flexion

Question 9

Medial / Internal Rotation

Answer 9

moving the front surface of the limb toward midline

Question 10

Lateral / External Rotation

Answer 10

moving the front surface of the limb away from midline

Question 11

Circumduction

Answer 11

Tri-planar movement of the hip and shoulder joint

Question 12

Elevation

Answer 12

Moving superiorly, such as scapular elevation toward the head

Question 13

Depression

Answer 13

Moving inferiorly, such as scapular depress toward the feet

Question 14

Protraction / Abduction

Answer 14

Scapular movement away from the midline

Question 15

Retraction / Adduction

Answer 15

Scapular movement toward the midline

Question 16

Lateral Rotation of the Scapula

Answer 16

Inferior angle of the Scapula moves away from the midline

Question 17

Medial rotation of the scapula

Answer 17

Inferior angle of the scapula moves toward the midline

Question 18

Pronation (hand)

Answer 18

The palm faces posteriorly, with the thumb medial

Question 19

Supination (hand)

Answer 19

The palm faces anteriorly with the thumb lateral

Question 20

Inversion

Answer 20

A combined movement of Adduction, supination and plantar flexion of the foot

Question 21

Eversion

Answer 21

A combined movement of abduction, pronation and dorsiflexion of the foot

Question 22

Plantar flexion

Answer 22

Pointing the foot, bringing the bottom surface of the foot away from the shin

Question 23

Dorsi flexion

Answer 23

Flexing the foot, bringing the top surface of the foot up towards the shin

Question 24

Isometric

Answer 24

A muscular contractions in which the length of the muscle does not change

Question 25

Isotonic

Answer 25

A muscular contractions in which the length of the muscle changes

Question 26

Eccentric

Answer 26

A lengthening muscle contraction