Boxers work to knock out Parkinson's symptoms

... include: ring work, focus mitts, heavy bags, speed bags, jump rope, core work, calisthenics and circuit weight training. Photo: Michael Conroy In this photo taken March 19, 2013, Dave Beery hits a heavy bag during a workout at Rock Steady Boxing in ...

http://www.seattlepi.com/news/us/article/Boxers-work-to-knock-out-Parkinson-s-symptoms-4422615.php