Assessment statement

Obj

4.1.1

Label a diagram of a motor unit

1

4.1.2

Explain the role of neurotransmitters in stimulating skeletal muscle contraction.

3

4.1.3

Explain how skeletal muscle contracts by the sliding filament theory.

3

4.1.4

Explain how slow and fast twitch fiber types differ in structure and function.

3

Assessment statement

Obj

4.2.1

Outline the types of movement of synovial joints.

2

4.2.2

Outline the types of muscle contraction.

2

4.2.3

Explain the concept of reciprocal inhibition.

3

4.2.4

Analyze movements in relation to joint action and muscle contraction.

3

4.2.5

Explain delayed onset muscle soreness (DOMS) in relation to eccentric and concentric muscle contractions.

3

Assessment statement

Obj

4.3.1

Define the terms force, speed, velocity, displacement, acceleration, momentum, and impulse.

1

4.3.2

Analyze velocity-time, distance-time, and force-time graphs of sporting actions.

3

4.3.3

Define the term centre of mass.

1

4.3.4

Explain that a change in body position during sporting activities can change the position of the centre of mass.

3

4.3.5

Distinguish between first, second  and  third class levers.

2

4.3.6

Label anatomical representations of levers.

1

4.3.7

Define Newton’s three laws of motion.

1

4.3.8

Explain how Newton’s three laws of motion apply to sporting activities.

3

4.3.9

State the relationship between angular momentum, moment of inertia and angular velocity.

1

4.3.10

Explain the concept of angular momentum in relation to sporting activities.

3

4.3.11

Explain the factors that affect projectile motion at take-off or release.

1,3

4.3.12

Outline the Bernoulli Principle with respect to projectile motion in sporting activities.

2