Reference no: EM132303995

Question 1

A ‘neutral spine' refers to the ideal or natural alignment of the different sections of the spine. It is essential that this is maintained throughout exercise performance as it is important for the prevention of injury.

Describe the neutral spine position and explain how to achieve this posture. Please refer to the natural curves of the spine within your answer.

Question 2

Explain the all or none theory in relation to muscle contraction.

Question 3

Provide the definition and an example of how you would use the following directional terms:

Superior
Medial
Superficial
Distal

Question 4

Summarize the three energy systems and include in your answer;

- The substrate/s that fuels each energy system and bi-products produced (if any)

- Example activities for each energy system

Question 5

Explain the difference between concentric, eccentric and isometric contractions of the muscle and provide an example exercise for each type of contraction.