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.
Knee Bend Exercise For Stiff Knee. 1  Prone Knee Bend Exercise For Knee Stiffness: Lie on stomach; bend knees towards the body, hold and straighten them again. 2  Standing Knee Bend Exercise With Chair Support For Stiff Knee: Stand supporting hands on a chair.
Weak knee exercise. Lie on your back on a firm surface, such as a yoga mat or something similar. Keeping your knee straight, tighten the thigh muscles in one leg and lift it from the floor off of the mat about 40 degrees. Hold the leg in position for two to three seconds.