Doctor of Physical Therapy “Feels like free-weight resistance—with less stress on the joints.” Read More

“Incorporating a resistance training routine is integral in maintaining muscle strength, bone density and fitness level as we age. A NASA funded study showed SpiraFlex technology produced similar benefits to free-weights. The DOUBLEFLEX integrates SpiraFlex resistance in a portable device that can deliver multi-planar functional training benefits.” Read More

Traveling Professional and Mother of Two “The DOUBLEFLEX is my portable gym, allowing me to workout at my hotel or airport during flight delays. As an onthe-go mother, I can take it in my bag for workouts during my kids’ tournaments. The DOUBLEFLEX is always with me, keeping my body in balance while I juggle… Read More