- Calisthenicmovement, The Perfect Pull Up - Do it right!
- FitnessFAQs, Improve Pullups Instantly
- FitnessFAQs, How to do a Perfect Pullup
One-arm pull ups
- Calisthenicmovement, Master the One Arm Pull Up - One Arm Pull Up Tutorial, July 2016
Extreme pull ups
- The Lean Berets, https://www.youtube.com/watch?v=CG5B_aXsucY
- ATHLEAN-X™ , How to Do More Pullups INSTANTLY! (Pull Up Technique), October 30, 2013