Unit 4: Muscular System (Ch. 8)

A muscle that helps another muscle perform a particular function effectively.

• Tendon

• Prime Mover

• Cross-bridge

• Synergist

Fibrous connective tissue that attaches muscle to bone.

• Tendon

• Prime Mover

• Cross-bridge

• Synergist

Attachment of myosin with actin with the muscle cell.

• Tendon

• Prime Mover

• Cross-bridge

• Synergist

Principal muscle that performs action.

• Tendon

• Prime Mover

• Cross-bridge

• Synergist

Process used by muscles to contract.

• Sliding filament Model

• Myosin

• Actin

• Cross Bridge

A protein of muscle that with myosin is active in muscular contraction.

• Sliding filament Model

• Myosin

• Actin

• Cross Bridge

muscle cell

• myofibril

• muscle fiber

• actin

• striation

Attachment site that doesn't move during contraction.

• synergist

• origin

• antagonist

• insertion

Attachment site that moves during contraction.

• synergist

• origin

• antagonist

• insertion

The tension in the relaxed muscle.

• Prime Mover

• Sarcomere

• Muscle Tone

• Shiver