Planes of movement and roles

Question 1

Sagittal

Answer 1

Divides the body right and left

Question 2

Transverse

Answer 2

Divides body top and bottom

Question 3

Frontal

Answer 3

Divides body back and front

Question 4

What is the agonist muscle ?
Give an example.

Answer 4

The muscle responsible for movement of a joint.
Ex. biceps branchii during elbow flexion

Question 5

What is the antagonist muscle ?
Give an example.

Answer 5

The muscle that lengthens and relaxes as agonist contracts.
Ex. triceps branchii during elbow flexion

Question 6

What is the fixator muscle ?
Give an example.

Answer 6

The muscle that stabilises the joint where the origin of the agonist sits.
Ex. Deltoid during flexion of elbow

Question 7

Abduction

Answer 7

limb moves away from midline

Question 8

Adduction

Answer 8

limb moves towards the midline

Question 9

Horizontal Flexion

Answer 9

limb parallel to the ground moves forward

Question 10

Horizontal Extension

Answer 10

limb parallel to the ground moves backwards

Question 11

Medial Rotation

Answer 11

limb moves about its longitudinal axis towards midline

Question 12

Lateral Rotation

Answer 12

limb moves about its longitudinal axis away from midline

Question 13

Dorsi Flexion

Answer 13

Toes lifted up towards shin

Question 14

Plantar Flexion

Answer 14

Toes pointed down towards ground