Orthopedics/Sports
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2022/11/Triggerfinger16x9.jpg)
December 7, 2022
Your hands are mechanical marvels, with pulleys — in the form of tendons — flexing and extending to open and close your fist, and straighten[...]
March 19, 2010
February 5, 2010
January 28, 2010
November 11, 2008
June 16, 2008
Explore more topics
Sign up
![](https://newsnetwork.mayoclinic.org/n7-mcnn/7bcc9724adf7b803/uploads/2022/07/img30.jpg)
Mayo Clinic Connect
An online patient support community