Tip: The Cure for Pancake Butt Build your glutes and bring up your hamstrings with this clever exercise variation. Check it out. Gareth Sapstead
The 10,000 Swing Kettlebell Workout: Revisited This brutal home workout set the internet on fire... and built a lot of calluses. Here are three new, slightly easier ways to do. Dan John
Tip: Build an Athlete's Core It takes more than crunches to build high-performance abs and obliques. Try these powerful exercises. TJ Kuster