My Calisthenics Programs: Calisthenics And Bodyweight Training Follow Me: https://www.instagram.com/FitnessFAQs https://www.facebook.com/FitnessFAQs One simple exercise to improve your pull ups and chin ups is the wall slide. You’re going to strengthen the scapula muscles and rotator cuff, this improved stability at the shoulder and back will increase your reps. [...]