
A few years ago when I was training for a triathlon and doing lots of gruelling uphill cycling, I used to unwind lying on my back with my legs up the wall.
Maybe it was instinctive, but I did this without truly knowing why.

A few years ago when I was training for a triathlon and doing lots of gruelling uphill cycling, I used to unwind lying on my back with my legs up the wall.
Maybe it was instinctive, but I did this without truly knowing why.