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.
Tips for Healthy Knees. 1  Regular exercise can strengthen your legs and knees. 2  Exercise with weights or resistance bands -- or do bodyweight moves, like squats and lunges -- at least twice a week. 3  Walk up stairs or hills, or ride a stationary bicycle to build muscle to support your knees. 4  Warm up before you exercise.