Pull-ups are one of my favorite upper body exercises. Requiring just a bar and your body weight, pull-ups effectively target a lot of different muscle groups.
Mistakes to Avoid for the Perfect Pull-Up
The Five Biggest Mistakes In Pull-Ups - And How You Avoid Them!
The Definitive List Of Pull-Up Mistakes
MOST COMMON MISTAKES: Archer Pull-up
Pull-Up vs. Chin-Up: Differences, Technique, and Variations
The Definitive List Of Pull-Up Mistakes
How to do Pull-Ups, Common Mistakes and Popular Variations
The Worst 6 Pull-up Mistakes [Don't do these!]
NEVER DO PULL-UPS LIKE THIS! 10 Most Common Mistakes
Best Back Exercises to Build Muscle and Prevent Injury
Absolute WORST Pull ups Mistakes (AVOID!!!)