If you spend long hours attached to your keyboard and mouse — whether for gaming or work — try these stretching exercises. They will not only make your hands and wrists feel better, you might get faster and more efficient when gaming.
Dr Levi Harrison offers several tips and simple exercises in the video above, including whole hand exercises and special thumb exercises.
(By the way, if you're concerned about repetitive stress injury or carpal tunnel syndrome, there are other exercises you can do.)
Hand + Wrist Exercises for Gamers [YouTube]