myscle

Skeletal muscle

Muscle tissue attached to bones that facilitates body movement under voluntary, conscious control.

Cardiac muscle

Involuntary muscle tissue located in the heart that functions automatically to pump blood.

Smooth muscle

Involuntary muscle tissue found in internal organs like the stomach and intestines that automatically moves substances through the body.

Voluntary vs. involuntary muscle action

Voluntary action is consciously directed by the individual, whereas involuntary action operates automatically without conscious control.

Skeletal muscle

Muscle tissue attached to bones that facilitates body movement under voluntary, conscious control.

Cardiac muscle

Involuntary muscle tissue located in the heart that functions automatically to pump blood.

Smooth muscle

Involuntary muscle tissue found in internal organs like the stomach and intestines that automatically moves substances through the body.

Voluntary vs. involuntary muscle action

Voluntary action is consciously directed by the individual, whereas involuntary action operates automatically without conscious control.

Origin (muscular system)

The fixed or immovable attachment site of a muscle to a bone.

Insertion (muscular system)

The movable attachment site of a muscle that is pulled toward the origin during contraction.

Action (muscular system)

The specific bodily movement produced when a muscle contracts.

Agonist (prime mover)

The primary muscle directly responsible for producing a specific movement.

Antagonist

A muscle that opposes or reverses the action of the prime mover.

Synergist

A muscle that assists the prime mover in performing a movement.

Fixator

A muscle that stabilizes a bone or origin to provide a firm base for another muscle to pull from.