There are 4000 tendons in the human body.
I know this because at one time of another almost all of them have decided to get too big for the sheaths. Patella tendonitis, plantar fasciitis, achilles tendonitis - you name it and it has swollen up. The latest is the tendon that holds my bicep to my left shoulder.
All I have to do is raise my hand over my head and ouch. I mean...OUCH!!!
If God made humans He has a really sick sense of humor.