Place a dumbbell on your knee, your right hand holding the handle whilst your left hand holds the top. Lift up your toes as high as possible. Pause, then lower it back onto the weight and repeat.

Stand with your feet hip-distance apart, holding a dumbbell in each hand. - Point your toes slightly in towards the center. - Lift both your heels off the ground into a calf raise. - Gently lower ...