4.1.2 Muscle Movements

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

What attaches a muscle to the bone.

• ligaments

• tendons

• tension

• levers

The _____ of a skeletal muscle in the less moveable end

• origin

• insertion

• antagonist

• synergist

The _____ of a skeletal muscle the more moveable end

• origin

• insertion

• antagonist

• synergist

Decreases the angle between bones at a joint

• flexion

• extension

• elevation

• retraction

Increases the angle between bones at a joint

• flexion

• extension

• elevation

• retraction