Targets: All three heads of the deltoids, also known as your shoulder muscles. Core and low back are also engaged.
Targets: The bicep muscles, specifically the brachialis and brachioradialis.
Targets: Upper back, mid- back, biceps, hamstrings, glutes and core.
Targets: The long head of the triceps and the stabilizing muscles in the shoulders, core, glutes and lower back muscles.
Targets: Chest muscles, both the larger pectoralis major and the smaller pectoralis minor.