Muscle Pairs and Actions

Front

What is the primary function of the adductor muscles?

Back

The adductor muscles are responsible for the adduction of the leg, which means they pull the leg towards the midline of the body.

Front

Which muscle group is responsible for extending the arm at the elbow?

Back

The triceps brachii is responsible for the extension of the arm at the elbow.

Front

What action does the latissimus dorsi muscle facilitate?

Back

The latissimus dorsi allows you to bring the arm back behind you or pull the arm down.

Front

What is the role of the rectus abdominus muscle?

Back

The rectus abdominus muscle allows you to do sit-ups and bend the back forward.

Front

Which muscle group is responsible for extending the leg at the knee?

Back

The quadriceps muscle group is responsible for the extension of the leg at the knee.

Front

Define 'agonist' in muscle action.

Back

An agonist is a muscle that is primarily responsible for a specific movement.

Front

What is an antagonist muscle?

Back

An antagonist muscle opposes the action of the agonist, helping to control movement and maintain balance.

Front

Explain the concept of muscle pairs.

Back

Muscle pairs consist of an agonist and an antagonist that work together to produce movement and stabilize joints.

Front

What is the function of the biceps brachii?

Back

The biceps brachii is responsible for flexing the arm at the elbow.

Front

How do the hamstrings function in leg movement?

Back

The hamstrings are responsible for flexing the leg at the knee and extending the thigh at the hip.