I've been plagued with tendonitis on and off since I started typing like 20 years ago. The number one thing that I've found has helped is keeping track of my wr

I've been plagued with tendonitis on and off since I started typing like 20 years ago. The number one thing that I've found has helped is keeping track of my wrist alignment. Make sure your wrists are on a straight plane. The easy way to describe it is that your wrists should be simliar to their natural resting position while you type. A common problem that people have is that they use their wrist and elbow muscles while they type, and it puts a ton of stress on the joints and tendons.