Dr. Groover shares his appreciation for Lennard Zinn, extraordinary athlete, cycling author, and custom frame builder. Lennard describes his knowledge of leg length disparity and cycling performance and his experience with Dr. Groover's physiological short leg correction and help with his many sports injuries throughout the years.
Shortly after the rider's pain was eliminated, he felt and performed as well or better than he had since his 20s. Four weeks after beginning treatment, he recorded a new personal best, over 4% better performance during an 80 mile ride. The following day he rode 60 miles, 4,000 feet elevation, with much greater upstroke power, and no pain throughout the weekend.