http://AskTheTrainer.com Personal Trainer Michael Behnken, MS, NASM-CPT-PES, CSCS These are actually 1 grip pull ups or whatever you want to call them. Most people can do these, unlike one arm pull ups which requires a very light body weight to do. These are a great exercise for people in MMA Jiu Jitsu wrestlers and climbers as well as anybody who wants to strengthen their grip. You can perform these with with the hand which is grabbing the bar facing you or away from you. One Grip Pullups are also a great exercise to start a biceps workout. http://AskTheTrainer.com/best-biceps-workout.html