A

Kneel with knees together and in line with hips. Bend forward, placing forearms on ground, elbows under shoulders, hands clasped, pulling abs in [A]. Extend one leg behind you, then the other, so you're balancing on balls of your feet, legs and ankles together. Lower hips into plank position, maintaining a straight line from head to heels

B

[B]. Hold for 20-30 seconds, building up to 1 minute. Yoga connection Do one yogi push-up, keeping legs straight, then bring knees to ground and sit back on heels, arms outstretched.