Muscle Anatomy Flashcard

Front

What is the term for the decrease in muscle size due to aging?

Back

Sarcopenia

Front

What happens to muscle size when muscles are not used regularly?

Back

Atrophy

Front

What is the term for the muscle's ability to respond to stimuli?

Back

Excitability

Front

Which type of muscle is responsible for the movement of food through the digestive system?

Back

Smooth muscle

Front

What is the term for the ability of a muscle to return to its original length after being stretched?

Back

Elasticity

Front

What is the term for the increase in muscle size due to exercise?

Back

Hypertrophy

Front

What type of muscle is responsible for involuntary movements, such as the heartbeat?

Back

Cardiac muscle

Front

What is the primary function of skeletal muscle?

Back

To facilitate voluntary movement of the body.

Front

What is the term for the ability of a muscle to be stretched?

Back

Extensibility

Front

What is the role of myofibrils in muscle cells?

Back

They are the contractile units that enable muscle contraction.