Muscular System

Muscles can only _____, never _____

• push, pull

• pull, push

Another name for the prime mover is

• antagonist

• agonist

• synergist

• fixator

What is the opposing muscle group for the biceps?

• abdominals

• triceps

• deltoids

• hamstrings

What is the antagonist muscle group to the quadriceps?

• biceps

• lower back

• hamstrings

• obliques

The muscle that causes the action and does the majority of the work is called the ______.

(a)  

• agonist
• antagonist

• synergist

• fixator

A muscle can be a agonist for one movement and an antagonist for a different movement

• true

• false

The muscle which relaxes during movement is the.....

• Antagonist
• Agonist

Sam is performing a bicep curl (during flexion), which is the agonist in this movement?

• Triceps
• Biceps
• Quadriceps
• Hamstring

The type of muscle contraction where the muscle tenses but does not shorten.

• Isometric

• Isotonic

• Contraction

• Relaxation

When a muscle shortens under tension, it is called_______

• Isotonic eccentric contraction

• Isotonic concentric contraction

• Isometric concentric contraction

• Isometric eccentric contraction