Hip and knee pain can be a direct result of heel pain or a foot injury. When a person’s gait, or the stride of there walk or run, is altered from heel pain. There will be a increase in tension on the hips and knees. This is why treating the pain or injury at the source will aleivate pain in other parts of the body. When walking with heel pain, the hips or knee can become inflamed or strained. This is strain or inflammation is what causes the irritation.