If you're looking for a new challenge to an old standby exercise, the 3x3 pull-up protocol delivers big and will challenge you in different ranges of the movement.
If you're able to complete all 3 reps of this monster (9 partial reps), simply add some external load using a weight vest or dip belt.
Keep in mind that you can do this protocol in a chin-up (underhand) grip or neutral grip as well.
related posts
All you need is a bench, a power rack, and a mop to clean up the puddle of sweat when you're done.
Master the one-arm press, get stronger, and build your shoulders. It all starts with how you grip the kettlebell.
Sometimes it's really interesting to dig into the microscopic details of training and nutrition, to dissect the body of academia and examine every little study. That's how we learn things. That's how we refine the science that later helps us get bigger and stronger and leaner.
Exercises are tools. You've got to know how to use them properly. Here's a list of commonly misused ones.