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.
Build bigger biceps with chin-ups. Want bigger biceps? Consider the chin-up bar for building huge arms, says James Edge. Almost everyone who trains to build muscle knows the value of Â­pull-ups for getting a wide, muscular back, but very few ever consider the chin-up bar for building their arms. Thatâs a shame, because chin-ups are one of the absolute best exercises for developing powerful biceps and forearms.