I’ve got another training tip for you all.
Build bigger back and biceps without destroying your shoulders in the process!
This is the safest way (for your shoulder joint) to do pull ups http://ergo-log.com/the-safest-way-for-your-shoulder-joint-to-do-pull-ups.html
Scapula kinematics of pull-up techniques: Avoiding impingement risk with training changes http://www.jsams.org/article/S1440-2440(15)00174-7/fulltext
Chin-up-induced bilateral anterior shoulder dislocation: a case report. https://www.ncbi.nlm.nih.gov/pubmed/19062229
Inside the Muscles: Best Back and Biceps Exercises | T Nation https://www.t-nation.com/training/inside-the-muscles-best-back-and-biceps-exercises
Rotator Cuff Injury From Pullups | LIVESTRONG.COM http://www.livestrong.com/article/547925-rotator-cuff-injury-from-pullups/