What is the most important joint of the body?
I would petition for the Ankle Joint as its optimal functionality is crucial for proper athletic performance and injury prevention.
In this video we go over:
How to test the joint movement
How to do Self Myofascial Release and Foam Rolling
Mobility and Strength Exercises.
By the time you are done you will have a completely functioning and stable ankle and much more strength, power and stability to show for it.