In reply to ti_pin_man: This from an earlier thread
"7. You have to stretch before exercise
Stretching before exercise is the main way to improve performance and avoid injury, everyone stretches … but researchers have been finding that it actually slows you down. Experts reveal that stretching before a run can result in a 5 percent reduction of efficiency; meanwhile, Italian researchers studying cyclists confirmed that stretching is counterproductive. Furthermore, there has never been sufficient scientific evidence that pre-exercise stretching reduces injury risk."