Across the world, in every school with a playground, the bell goes and children run out and start playing. Rare is the group that assembles under its own initiative for either static or ballistic stretching, or other activities recommended by the National Curriculum for their capacity to "accustom the body to the demands of exercise". Curiously, equally rare is the playground strewn with paramedics and stretchers struggling to keep pace with the children suffering muscle injuries in limbs surprised by the intensity of exercise into soft tissue damage.
It has long been accepted by scientists that "(before...