... other abdominal exercises.Door gym chin up barYou can do pull ups and chin up, sit up, and dips. In addition, with the ... equipment to do pull/chin ups in 3 grip positions (narrow, neutral, and wide) sit ups, crunches, pushups, and tircep dips.The durable steel ... into a personal gym; installs in seconds ideal for pull-ups, chin-ups, dips, crunches, and more three grip positions, narrow, wide, and ...