First of all, put something under the door so you don’t break the hinges.
2. Hang from the door with your hands just over shoulder width apart. This is the starting position.
3. Flex your abs, unshrug your shoulders and pull yourself up by flexing your elbows down and back.
4. Once you can’t pull yourself any higher, slowly extend your elbows back to the starting position.
Working muscle/muscles:
