Toned biceps, bigger shoulders, increased strength; whatever your goal is for your arms, you've got to train the muscles. But if you're new to upper-body workouts, this four-move dumbbell routine is the perfect place to start.
All you need is a pair of dumbbells (or good adjustable dumbbells, if you want to easily switch loads between exercises) to get started. This beginner-friendly routine was created by fitness trainer Hayley Madigan and is a great introduction to muscle-strengthening exercise.
