Exploring the Muscular System

Front

What is a sarcomere?

Back

The basic structural and functional unit of a muscle fiber, composed of actin and myosin filaments.

Front

How do actin and myosin contribute to muscle contraction?

Back

They slide past each other, causing the sarcomere to shorten.

Front

What are antagonistic muscles?

Back

Muscle pairs that oppose each other's movement, such as biceps and triceps.

Front

Identify the muscle located on the back of the upper arm.

Back

Triceps Brachii.

Front

What is the function of the gastrocnemius muscle?

Back

It is responsible for plantar flexion of the foot and flexion of the knee.

Front

What is the role of tendons in the muscular system?

Back

Tendons connect muscles to bones, allowing for movement.

Front

What is the primary function of the hamstring muscles?

Back

To flex the knee and extend the hip.

Front

What is the gluteus maximus responsible for?

Back

It is responsible for the movement of the hip and thigh.

Front

What is the quadriceps muscle group responsible for?

Back

It is responsible for extending the knee.

Front

What is muscle hypertrophy?

Back

The increase in muscle size due to exercise, particularly resistance training.