1. The document describes 10 exercises that use dumbbells: dumbbell squat to alternating shoulder press and twist, mountain climber and pushup, dumbbell side lunge and curl, plank walkup with dumbbell drag, dumbbell stepover, dumbbell single-arm alternating clean, pushup-position row and squat thrust, goblet squat and alternating reverse lunge, dumbbell Russian twist, and dumbbell straight-leg deadlift and row. Each exercise is explained through a sequence of labeled photos.