ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,048, issued on June 23, was assigned to Keiser Corp. (Fresno, Calif.).
"System and method for determining endurance of a muscle group" was invented by Dennis L. Keiser (Sanger, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method to evaluate the endurance of a muscle group of a user by measuring velocities of an engagement assembly coupled to a resistance element and moved by the user through a plurality of exercise strokes. A muscle group is assessed by determining a rate of fatigue for the muscle group. The method can include adjusting the controllable resistance to a resistance level, monitoring the movement of the engage...