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.
âFor people with osteoarthritis, exercise can increase knee pain, at least short-term, and that can be a big deterrent,â she says.hile the studies showed a benefit for some activities, including low-impact aerobic exercise, water aerobics, and strength training, they were unable to show a benefit for others. This does not mean that these therapies have no value in the treatment of arthritis-related knee pain, the authors conclude.