motion of joints

Question 1

flexion

Answer 1

a movement that decreases a joint angle, usually in the sagittal plane. an example would be when you flex and bend your elbow

Question 2

extension

Answer 2

a movement that straightens a joint and generally returns a body part to the zero position

Question 3

abduction

Answer 3

the movement of a body part in the frontal plane away from the midline of the body

Question 4

adduction

Answer 4

the movement of a body part in the frontal plane back towards the midline of the body

Question 5

lateral (external) rotation

Answer 5

is a type of rotation in which a bone spins on its longitudinal axis in the outward direction

Question 6

medial (internal) rotation

Answer 6

is a type of rotation in which a bone spins on its longitudinal axis in the inward direction

Question 7

elevation

Answer 7

a movement that raises a body part vertically in the frontal plane

Question 8

depression

Answer 8

a movement that lowers a body part in the frontal plane

Question 9

protraction

Answer 9

is the anterior movement of a body part in the transverse (horizontal) plane

Question 10

circumduction

Answer 10

one end of an appendage remains fairly stationary while the other end makes a circular motion

Question 11

hyperextension

Answer 11

further extension of a joint beyond the zero position

Question 12

retraction

Answer 12

is the posterior movement of a body part in the transverse (horizontal) plane