Finally, I got more specific, asking for an ab workout that would use dumbbells and be kind to my lower back. Here’s the workout it gave me: Lie on back, knees bent at 90°, dumbbell held with ...

Chipper workouts build strength using high reps to overload the body. A personal trainers a 250-rep workout to try.

Arnold Schwarzenegger’s 30-30 workout blends timed sets and classic lifts to deliver an insane pump and cardio blast, I put ...