It's a low-impact exercise that improves cardiovascular health and burns calories. Go for at least 30 minutes of brisk walking most days of the week.
This exercise is gentle on the joints. Sit in a sturdy chair with your back straight. March in place by lifting each knee towards your chest.
Stand behind a chair, holding the back. Slowly lift one leg to the side, keeping it straight. Lower it back down and repeat on each side.
Twisting movements engage the oblique muscles. Sit in a chair. Hold a light weight in front of you. Twist your torso.
Lie on your back with your knees bent and feet flat. Tighten your abdominal muscles and press your lower back into the floor.