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.
Strengthen the muscles in the legs to reduce stiffness and pain in the knees. Stand next to a wall and place your hand against it to keep your balance. Stand on your uninjured leg and bend your injured knee as you grab your shin with one hand. Hold your leg in place as you try to bring your heel to your buttocks.