Roles of Muscles

Question 1

Agonist

Answer 1

Muscle that shortens to create movement (prime mover)

Question 2

Antagonist

Answer 2

Muscle that lengthens (relaxes) to allow contraction of the agonist to take place

Question 3

Sygernist

Answer 3

Muscle that supports the movement and allows the agonist to operate more effectively

Question 4

Fixator

Answer 4

Muscle that prevents unwanted movement by stabilising a joint ➡️typically stabilise the origin of the agonist