Look no further — you can build strength and muscle in your core without sit-ups, and here's the move to try
Focus on learning to engage your core at all times, slightly tucking your pelvis toward your spine to avoid arching your lower back. Drive through your hands and shoulders as you draw your feet inward ...
Six packs, bulging biceps and when muscles are 'just for show'
Everyone's body will respond differently to exercise. Experts say muscles indeed provide benefits but they are not an indication of overall fitness.