Tone-up meaning
To firm and strengthen the muscles of the body by regular exercise. To cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen.
What does tone up mean?
To tone up means to reduce the appearance of body fat by tightening up the muscles and giving them shape. Bulking up means to increase muscle mass and make the muscles bigger.
Why do people say tone up?
So, technically, the more "toned" your muscles are, the more contracted they are. This continuous contraction is necessary. First, tonus helps keep you upright and balanced. It also helps your muscles stay prepared for any reactive tension they might need to perform.
