Topic 4: Movement analysis

Topic 4: Movement analysis

4.1 Neuromuscular function

• 4.1.1 Label a diagram of a motor unit.

• 4.1.2 Explain the role of neurotransmitters in stimulating skeletal muscle contraction.

• 4.1.3 Explain how skeletal muscle contracts by the sliding filament theory.

• 4.1.4 Explain how slow and fast twitch fibre types differ in structure and function.

4.2 Joint and movement type

• 4.2.1 Outline the types of movement of synovial joints.

• 4.2.2 Outline the types of muscle contraction.

• 4.2.3 Explain the concept of reciprocal inhibition.

• 4.2.4 Analyse movements in relation to joint action and muscle contraction.

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

4.3 Fundamentals of biomechanics

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

• 4.3.2 Analyse velocity–time, distance–time and force– time graphs of sporting actions.

• 4.3.3 Define the term centre of mass.

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

• 4.3.5 Distinguish between first, second and third class levers.

• 4.3.6 Label anatomical representations of levers.

• 4.3.7 Define Newton’s three laws of motion.

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

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

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

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

• 4.3.12 Outline the Bernoulli principle with respect to projectile motion in sporting activities.