1. Why stretch? Stretching lengthens muscles and improves flexibility. Also, stretching the big leg muscles - the hamstrings, calves, and quads - simultaneously loosens and lengthens the muscles of your lower back. So, when you stretch, you're helping your back! 2. When to stretch? Recent exercise physiology

Repetitive stress injuries are typically very difficult to treat successfully. These injuries are the result of actions done repeatedly, frequently, and consistently over time. They've taken a long time to build up and, therefore, the healing process also requires a fair amount of time. Shin splints,