• The ACTIVIVAS thumb orthopedic support stabilizes the base joint of the thumb in a neutral, mid-position, allowing the use of the thumb in daily tasks. • Minimizes movement at the base of the thumb (CMC-1 joint). • Limits movement of the basal joint of the thumb in all directions, relieving thumb arthritis and pain associated with hypermobility. • Retained mobility in the upper joint of the thumb allows the thumb to participate in many daily tasks and aids recovery in postoperative use cases. • Tested with the Sollerman hand function test, includes the 8 main grips. • Fully adjustable strap with built-in metal strip to customize the fit around the base of the thumb.