Muscles Basics

Muscles can only __________, they never ___________.

• push, pull

• pull, push

Another name for the prime mover is

• antagonist

• agonist

• synergist

• fixator

A muscle that helps the prime mover is called a

• antagonist

• agonist

• synergist

• fixator

A muscle that stabilizes a motion is called a

• antagonist

• agonist

• synergist

• fixator

In the picture, the biceps are the

• antagonist

• agonist

• fixator

• synergist

In the picture, the triceps muscles are the

• antagonist

• agonist

• fixator

• synergist

The deltoid is named based which single criteria?

• location

• shape

• relative size

• action

• number of origins

Any contraction where the muscle shortens under load or tension is known as a

• Concentric

• Eccentric

• Isometric

• Isokinetic

Any contraction where the muscle lengthens under load or tension

• Concentric

• Eccentric

• Isometric

• Isokinetic

Any contraction of muscles where little or no movement occurs

• Concentric

• Eccentric

• Isometric

• Isokinetic