... on the floor for pushups, dips, and sit-UPS, the Door Gym is an ideal choice for ... the doorway, the device lets you perform pull-UPS and chin-UPS, with three grip positions--narrow, neutral, and ... dips while facing the other way, or sit-UPS using the Door Gym for foot stability. The Door ... exercise bar you can use to do pull-ups, chin-ups, push-ups, sit-ups, dips, arm and shoulder exercise every exercise ...