On his Instagram profile, he gave a task to many people.
100lb DB sumo squat with 3 second negative and 1 second pause at bottom.
* don’t let dumbbell touch the floor
* for grip strength hold dumbbell with just fingertips 🙌🏾
* slight lean forward
This is the final exercise of 4 exercise - all performed back to back with no rest in between.
DB sumo squat
It’s a bitch.
Give it a shot.