I received a question on youtube regarding wrist and forearm pain with lifting a heavy bar bell and also when holding grips when grappling in the gi.
These exercises and stretches should help keep your arms and hands loose, your tissue stretched out, and help to decrease pain.

Low back pain is something most, if not all, BJJ practitioners currently deal with or have dealt with. Back pain can limit your movement, technique, and effectiveness on the mats.
This video gives you a number of stretches and other techniques that will help you maintain your flexibility, control tightness, and reduce pain.

Recovery and return to grappling and activity as well as how to prevent re-injury when coming back from an ankle sprain.

This video is about a question I got regarding knee pain, specifically pain in the front of the knee, also known as Anterior Knee Pain.
I go through a few easy solutions and techniques that can help alleviate the pain and allow you to continue to train and grapple with less symptoms.

Three Easy Stretches To Help With Neck Pain After BJJ Practice