Landmine rotations strengthen your core, hips, arms and shoulders without hurting your back. Here's how to do them.

A) Lift the ball straight up overhead (not behind you). Keep your back straight and stay on your toes – your feet should be ...

Sculpt a chiseled core with 3 bodyweight moves! Hollow body hold, L-sit, and windshield wipers deliver visible results—no gym needed.