Place one foot on a bench behind you, keep your front foot flat, and lower your back knee toward the floor while keeping your chest upright. Hold a dumbbell in each hand, feet shoulder-width apart, ...

This no-equipment movement is helping people rebuild upper-back strength, improve posture, and feel stronger at home—fast.

Monty Simmons is a personal trainer who specializes in strength training and he says that if you're working out at home, ...