Biomechanical Terms

Question 1

Flexion

Answer 1

A decrease in the angle of a joint.

Question 2

Extension

Answer 2

An increase in the angle of a joint.

Question 3

Hyperflexion

Answer 3

Flexion past a 90 degree angle.

Question 4

Hyperextension

Answer 4

Extension past a neutral joint position.

Question 5

Adduction

Answer 5

Movement of a body part towards the midline of the body.

Question 6

Abduction

Answer 6

Movement of a bod part away from the midline of the body.

Question 7

Horizontal Adduction

Answer 7

Adduction performed in the horizontal plane.

Question 8

Horizontal Abduction

Answer 8

Abduction performed in the horizontal plane.

Question 9

Internal / Medial Rotation

Answer 9

Rotation of long lever towards midline of the body.

Question 10

External / Lateral Rotation

Answer 10

Rotation of long lever away from the midline.

Question 11

Circumduction

Answer 11

Body part or joint performs a perfect 360 degree circle.

Question 12

Torque / Torsion

Answer 12

Ability of any force to cause rotation of a lever or long bone.

Question 13

Dorsi Flexion

Answer 13

Flexion of dorsal surface of ankle - toes pull up towards shins.

Question 14

Plantar Flexion

Answer 14

Flexion of plantar surface of ankle - toes point down and away.

Question 15

Inversion

Answer 15

Sole of foot turns towards the midline of body.

Question 16

Eversion

Answer 16

Sole of foot turns away from midline of body.