Perform a high plank by resting on your feet and hands, facing your mat. eet should be slightly wider than hip-width apart (the wider they are the more stability). Stabilise your mid-section as you perform a 3 point balance and slowly bring your knee in towards your chest. Ensure your hips remain square and flat. Return to a 4 point balance and repeat on the alternate side. 1 rep = left+right rep