Competitors, judges, and organization rulebooks don't always agree on squat depth. If there's a definitive mark, this is where you'll find it.

Mike Robertson demonstrates the difference between hip mobility and lower back mobility.

Hamstring injuries are common but mostly avoidable. Like many other injuries, they aren’t 100 percent preventable, but there are many ways to help reduce the occurrence in your athletes. If hamstring pulls do take place, I’ve added some treatment guidelines at the end. However, this doesn’t mean that your athletes shouldn’t seek medical assistance. A physician should always be consulted