One Handed Hang
Main muscle: Lats
Other muscles: Biceps
Fitness level: beginner
Category: Stretching

  1. Grab onto a chinup bar with one hand, using a pronated grip. Keep your feet on the floor or a step. Allow the majority of your weight to hang from that hand, while keeping your feet on the ground. Hold for 10-20 seconds and switch sides.

Source: bodybuilding.com