Using the bicep curl as an example, your muscle would be activated This is known as a concentric contraction.Īnother way to tone muscles is by lengthening the muscle while providing resistance. A good example of this is is lifting a dumbbell weight while doing a bicep curl.
The first is by shortening the distance between your joints. There are three different ways to activate and strengthen your muscles. So if you are not moving your muscles doing squats or curls, how can this type of workout possibly help strengthen your body?