But even if you can touch your toes easily, don’t skip your hamstring stretches—flexible hamstrings can enhance performance, improve posture, and help prevent injuries.

Having an office job is the perfect culprit for causing tightness, because sitting at a desk for long stretches (no pun intended) of time shortens your hamstring muscles.

Stretching exercises can be extremely helpful, but if not done correctly they can not only be a waste of time, they can be dangerous and cause injury.

If you're dealing with knee pain when working out, try adding these simple stretches for knee pain to your recovery toolkit.

While the knee joint itself doesn’t have muscles, it has ligaments and cartilage and is stabilized by the muscles surrounding the joint: the quads, hamstrings, calves and hips.

Don't forget your cool down after you run. Nike trainer Traci Copeland breaks down her favorite stretching routine for runners.

Your knees shouldn't hurt after a set of heavy squats. Here are a few exercises to improve stability and form issues in your squat to prevent knee pain.

Bottom line? Healthy, happy hamstrings don’t just help you run better, they’ll level up your entire fitness game too. Here are 3 easy and effective hamstring stretches every runner should be ...