Elliptical Training:  This is a stationary exercise machine used to perform walking or running without causing excessive stress on the joints. This form of exercise is perfect  for people with achy hips, knees and ankles.

Walking: Moving at a fairly regular pace for a short, medium or long distance.

Treadmill Training: Many treadmills have programs set up that offer numerous different workout plans. One effective cardiovascular activity would be to switch between running and walking. Typically warm up first by walking and then switch off between walking for three minutes and running for three minutes.