Johnson Health Tech had a 29 percent sales increase for the second quarter ended June 30. In the commercial channel, the increase was 50 percent. Johnson makes fitness equipment under the brands Matrix, Vision, Horizon and Livestrong. In the North American segment, overall sales rose by 26 percent, which the company attributed to investments in sales support, marketing and product development. The commercial channel in North America alone rose by a whopping 65 percent, boosted by a bigger Matrix Fitness portfolio.