Roles Of Muscles worth 5 marks

Question 1

What are the roles of the muscles ?

What is Agonist ?

Answer 1

1. Agonist also known as the working muscle
   - They produce the movement
   - prime mover - the working muscle recruited ( to rearrange the muscles to fully coordinate with each other ) first
   - assistant movers - the muscle need more corporation from each other to do the job

Question 2

What is Antagonist?

Answer 2

Antagonist is also known as the relaxing muscle

When the relaxing muscle (antagonist) relax then the working muscle (agonist) function properly

Question 3

What does reciprocal inhibition do?

Answer 3

Reciprocal inhibition - As the working muscle ( agonist) contracts , it’s relaxing muscle ( antagonist) instantly relaxes to allow the movement to happen

Question 4

What does synergist or (neutraliser)

A way to remember it’s function aids or help

Answer 4

This is the process where the muscles prevent unwanted movement

Question 5

What is fixation also known as stabilises

Answer 5

Anchors ( which provide support and stability) to a bone or body part so that the relaxing muscle ( agonist) has a firm base on which to pull