Note: It's always advisable to consult a doctor before trying any exercise

Back to Chest

• Lie on your back with your knees bent, feet flat on the floor, and arms at your sides. 
• Grasp your right knee and gently pull toward your right shoulder. 
• Hold for five seconds. 
• Return to the starting position and  repeat with the left leg. This is one repetition.

Watch it in You Tube: