VIDEO: Struggle to perform pull ups? Jason Poston is here to help. Start using these 4 exercises that will help you build the strength needed to perform perfect bodyweight pull ups in no time: https://muscle.ms/4Pullups pic.twitter.com/5e3NBYx8Jr

VIDEO: Struggle to perform pull ups? Jason Poston is here to help. Start using these 4 exercises that will help you build the strength needed to perform perfect bodyweight pull ups in no time: https://muscle.ms/4Pullups  pic.twitter.com/5e3NBYx8Jr

Source: https://twitter.com/Muscle_Strength/status/1053028090136412161