Tip: Sprint Without Pulling a Hamstring Sprinting is awesome. Pulling a hammie isn't. Here's exactly how to prevent that. TJ Kuster
Tip: A Simple Fix for Better Pull-Ups More muscle engagement, less shoulder pain. Sounds like a winner. Check it out. Michael Shaughnessy
8 Brand New Single-Leg Exercises These brutal lifts will get you strong as hell and pack some meat on your legs... fast. Charley Gould & Luka Hocevar