Chronic knee pain can be agonizing. making it impossible to live a normal, active life. Sitting on the floor to play with kids or grandkids is unbearable when painful knees feel like they’re on fire. Even getting a good night’s sleep is rare when relentless knee pain throbs all night long. Daily activities that used to be second nature become burdensome when knees burn with every step. Being active and agile feels impossible when the knee pain just won’t go away. Continuing to ignore the pain may evolve into increased joint damage, disability, and pain. Healthy knees are essential for most normal activities. When knees are weakened or injured, it can be the most piercing joint pain known to man. Related conditions include arthritis, tendonitis, meniscus tears, crunching and popping sounds, and bursitis.