I get tendonitis from using the computer or doing other repetitive motion too much. I used to get it from playing piano, too, until someone showed me how to relax my wrists more.
I'm a music teacher, and not a doctor. Anything I post is based on my own experience and lay opinion.
Lyme, Babesiosis, Mycoplasma (Asthma), Fibromyalgia (Soft Tissue Injury), Costochondritis,
CFS (Mitochondrial Dysfunction), IBS (Candida & Leaky Gut), Hashimoto's Thyroiditis, Adrenal Fatigue,
ITP (Low Platelets), TMJ, Plantar Fasciitis, Schamberg Purpura, Tinnitis, Allergies, MCS