COMMISSIONED OFFICER. Commissioned Officers are the managers, problem solvers, key influencers and planners who lead Enlisted Soldiers in all situations. Enlisted Soldiers perform specific job functions and have the knowledge that ensures the success of their unit's current mission within the Army.
The primary difference between chin-ups and pull-ups is that chin-ups are done with a supinated grip, palms facing in toward the exerciser. This sets up the mechanics so that chin-ups, while still primarily a back exercise, also provide a good arm workout, particularly for the biceps.
5. Cancel. Push-ups work muscles in the arms, chest and shoulders, including the triceps muscle. Learn about improving overall upper body strength with push-ups with help from a strength and conditioning specialist in this free video on exercise and fitness tips.Part of the Video Series: Exercise & Fitness Tips.ush-ups work muscles in the arms, chest and shoulders, including the triceps muscle.