Muscle Movement and Properties

Front

Abduction

Back

Movement away from the midline of the body

Front

Actin

Back

Thin contractile filaments

Front

Antagonist

Back

Muscle which opposes the action and relaxes when the agonist is contracted

Front

Elevation

Back

Movement upward

Front

Excitability

Back

Ability for a muscle to respond to stimulus

Front

External Rotation

Back

Rotation of the structure away from the midline of the body

Front

Fascicles

Back

Bundles of muscle fibers

Front

Fulcrum

Back

Joint in the lever

Front

Internal Rotation

Back

Rotation of the structure toward the midline of the body

Front

Muscular System

Back

Consists of the body’s muscles and muscular tissue responsible for facilitating movement, maintaining posture, generating heat, and protecting internal organs