Jeff Cavaliere, C.S.C.S., is updating his viral YouTube "perfect workouts" series and just shared his go-to science-based back workout. His perfect science-based back workout consists of not one ...
Lie on an incline bench with a dumbbell in each hand at chest level. Press the weights upward until your arms are fully ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images So, you have access to a pair of dumbbells and want to build muscle, but are ...