If you're short on time but still want to build muscle, exercise scientist Mike Israetel shares a simple approach: four 30-minute workouts, adding up to just two hours total in the gym each week. With ...

When you're short on gym time but still want to train hard, it's all about choosing the right exercises to maximize your gains. Mike Israetel of Renaissance Periodization shared eight of the most ...

Jason Kelce teamed up with exercise scientist Mike Israetel to transform his physique. After dropping more than 30 pounds, Kelce is entering a new chapter in his fitness journey: bodybuilding. Kelce ...