Fast twitch muscle fibers support quick, powerful movements such as sprinting or weightlifting.
Answer:
Because people have stopped carring for others in a sense of thinking that. It is a lie and that person is doing it for attention.
Explanation:
Answer: You can lift A dumbell one time.
Explanation: Doing this for one or 2 reps can demonstrate musular strength. any more than that is usually endurance. You can do deadlift or any heavy wights to show muscular strength
They are part of the human brain.
Answer:a substance that provides nourishment essential for growth and the maintenance of life.
Explanation: