I have had this strange sensation in my rectum like a twitch or buzz for the past five days. At first I thought it would go away. Then on the third day I got up in the morning an after a few steps the twitching got really bad and the upper part of my legs were shaking! A lot! If I stood still it would stop; if I leaned against something it would stop. All stopped by about noon -- every day and I have no pain anywhere and am fine until the next morning. Nothing happening at night. Went to the doctor who said to see an orthopedic doctor; saw one who ordered an MRI -- showed "age appropriate stenosis" and maybe see a neurologist or spinal surgeon. This afternoon though after a bowel movement the twitching started again and the shaking of the upper legs. After reading these posts I am making an appointment with my gastroenterologist. My question is: has anyone experienced leg tremors with this twitching?