Types Of Contraction

Question 1

What is an isotonic muscle contraction?

Answer 1

With an isotonic muscle contraction the muscles changes length as it undergoes contraction.

This contraction can be separated into concentric and eccentric.

Question 2

What is a concentric muscle contraction?

Answer 2

A concentric muscle contraction is when the muscle shortens as it undergoes contraction

e.g the bicep when lifting a dumbbell during a bicep curl.

Question 3

What is an eccentric muscle contraction?

Answer 3

An eccentric muscle contraction is when the muscle lengthens as it undergoes contraction

e.g. the bicep when lowering a dumbbell.

Question 4

What is an isometric muscle contraction?

Answer 4

An isometric contraction is when the muscle does not undergo any change in length when it contracts.

The muscle contracts to maintain the stability of the position of a body

e.g. a gymnast performing a handstand