If your hamstrings feel tighter than a pair of jeans fresh from the dryer, you’re not alone. Whether you spend your days sitting at a desk, running long miles, or crushing heavy squats, tight ...
View post: Running Legend and Founder of the Run-Walk-Run Method Dies at 80. Here's How 'Jeffing' Helps Runners of All Experience Levels “The reason to stretch your hamstrings is to keep your hips and ...