A bone scan is a nuclear imaging procedure. In nuclear imaging, tiny amounts of radioactive materials (tracers) are injected into a vein and taken up in varying amounts at different sites in the body.Areas of the body where cells and tissues are repairing themselves most actively take up the largest amounts of tracer. bone scan is a nuclear imaging procedure. In nuclear imaging, tiny amounts of radioactive materials (tracers) are injected into a vein and taken up in varying amounts at different sites in the body.
Leg Lift Exercise For Stiff Knee. 1  Lie On Your Back: Keep one knee raised with heel on the floor. Keep the other leg straight and raise it to a comfortable level. 2  Sit on a chair: Raise your leg to straighten the knee, hold and bring it down.
Stationary bikes are a good choice for bad knees. Whether your knee problems are caused by arthritis, injury or obesity, you still need to exercise. The right kind of exercise can improve the condition of your knees by strengthening the bones and muscles around them. The trick is to avoid aggravating an existing knee condition. There are several exercise machines that work well for bad knees if you use them correctly.