Paper 1

Question 1

What is Newton’s second law and definition

Answer 1

Law of acceleration: A body’s rate of change of momentum is proportional if the force applied and acts in the same direction

Question 2

What is the law of inertia

Answer 2

A body will remain in a stable of ref or uniform velocity unless acted upon by an external force

Question 3

What is the function of a sesamoid bone

Answer 3

Protection, reduction of friction across a joint

Question 4

Example of an irregular bone

Answer 4

Vertebrae

Question 5

Sporting example of a short bone being used

Answer 5

Throwing a dart

Question 6

Function of a long bone

Answer 6

Movement, leverage, support, red blood cell production

Question 7

What is horizontal flexion

Answer 7

When a limb a parallel to the ground and the articulating bone and joint moves closer to the midline of the body

Question 8

Sporting example of rotation

Answer 8

Topspin forehand shot in tennis

Question 9

Adduction definition

Answer 9

Moving body part towards the centre of the body

Question 10

Sporting example of dorsi flexion

Answer 10

100 m sprint

Question 11

Ligaments meaning

Answer 11

Connects bones to bones

Question 12

Hinge joint definition

Answer 12

Movement in one direction only, flexion extension

Question 13

Ball and socket definition

Answer 13

Allows movement in all directions, flexion, extension, rotation

Question 14

What is isotonic

Answer 14

Tension is produced within the muscle and there is a change in muscle length

Question 15

Isometric contraction sporting example

Answer 15

Rugby scrum, handstand in gymnastics

Question 16

What does and agonist do

Answer 16

Muscle that causes or controls the movement

Question 17

What is the agonist and antagonist when abduction is at the shoulder

Answer 17

Agonist- Anterior deltoid
Antagonist- Teres major/latisimus dorsi

Question 18

What is the synaptic cleft

Answer 18

Gap between pre and post synaptic cells that is about 20nm wide