About Us

Clinically Fit is a NY based company founded by
Scott Kupferman. Our product The Xtensor is seen by hand surgeons, therapists, chiropractors, massage therapists and athletic trainers as a breakthrough product for improving muscle performance the rehabilitation process in the hands, wrists and elbows.


Designed to do the opposite of what traditional hand/forearm/wrist exercisers typically do The Xtensor exercises the muscles that open your hands while simultaneously improving flexibility to the gripping muscles.


We pride ourselves on delivering a high quality American manufactured device, excellent customer support if needed. Let us know any questions you have either by email support@thextensor.com or by phone 631-881-0820.


Thank you,
Scott Kupferman, CEO