Muscle Contractions

Front

What is an isometric contraction?

Back

A type of muscle contraction where the muscle tenses but does not shorten.

Front

What is an isotonic contraction?

Back

A type of muscle contraction where the muscle changes length while under tension.

Front

What is an isokinetic contraction?

Back

A type of muscle contraction that occurs at a constant speed, often used in rehabilitation.

Front

Which type of contraction is most effective for building muscle?

Back

Isokinetic contraction.

Front

What happens during an eccentric contraction?

Back

The muscle lengthens under tension.

Front

What happens during a concentric contraction?

Back

The muscle shortens under tension.

Front

Which muscle undergoes eccentric contraction during the downward phase of a squat?

Back

The quadriceps (quads).

Front

Which type of contraction uses more energy?

Back

Isometric contractions.

Front

What is the primary function of muscle contractions?

Back

To produce movement and maintain posture.

Front

What is the difference between isotonic and isometric contractions?

Back

Isotonic contractions involve movement (length change), while isometric contractions do not involve movement.