A lot of fitness is about contractions - you're doing squats, or you're on a bike and your knees are bending but never stretching all the way, so your muscles get strengthened but look short and thick.— Mary Helen Bowers
A lot of fitness is about contractions - you're doing squats, or you're on a bike and your knees are bending but never stretching all the way, so your muscles get strengthened but look short and thick.
