From age 12 to 18, I biked 20 km to school and back every day. It's been two decades with a very sedentary life style and the occasional attempt of trying to ge

From age 12 to 18, I biked 20 km to school and back every day. It's been two decades with a very sedentary life style and the occasional attempt of trying to get in shape. I notice every time that my legs regain strength a lot faster than any other part of my body.