The Knee & Tendonitis/Bursitis: What Happens? March 16, 2022 Cristiane B. Cruz, CSEP-CEP, MPK Over time, our knees can cause pain when walking or moving, which could be the result of bursitis and/or tendonitis. Cristiane B. Cruz, R.Kin, MPK, will be discussing what the difference is between these two conditions, and how they affect the knee from working properly.