movement at joints and the skeleton

Question 1

abduction

Answer 1

movement away from midline of body eg playing a backhand shot in tennis

Question 2

adduction

Answer 2

movement towards the midline of the body eg playing a forehand shot in tennis

Question 3

plantar flexion

Answer 3

movement of the foot downwards away from the ankle eg pointing toes when bouncing on trampoline

Question 4

rotation

Answer 4

turning of a body part along its long axis eg swimming

Question 5

dorsiflexion

Answer 5

movement of foot upwards toward the shin eg foot of lead leg when hurdling

Question 6

flexion

Answer 6

decreasing the angle at a joint eg downward phase of a squat

Question 7

extension

Answer 7

increasing the angle at a joint eg upward phase of a pressup

Question 8

circumduction

Answer 8

the circular movement at a join in the shape of a cone allows 360 degrees movement eg swimming butterfly

Question 9

what do short bones do

Answer 9

enable finer controlled movements

Question 10

what do long bones do

Answer 10

they enable gross movements

Question 11

what do flat bones do

Answer 11

they are used for protection of vital organs
e.g. sternum to protect the heart

Question 12

functions of the skeleton

Answer 12

support
protection of vital organs
movement
structural shape
mineral storage
blood cell production