Assume the plank position either on your hands with your arms straight or on your forearms, sucking your belly in. Hold for 30 seconds.
Step2
Flip over to your back and bring your legs to table top and your hands behind your head with your elbows out to the side. Curl your chin to your chest and suck your belly in.
Step3
Use your abs to bring your right elbow to your left knee and then your left elbow to your right knee: the bicycle crunch. Do as many as you can for 30 seconds.
Step4
Bring your legs straight into the air and reach for your toes with your finger tips in pulses: inverted toe touches. Make sure your chin is curled to your chest to protect your neck. Perform as many as you can for 30 seconds.
Step5
Rest for 30 seconds.
Step6
Repeat steps 1-5 two more times.
Tips & Warnings
Sucking your belly in while your exercise is the best way to engage the deep abdominal muscles.