ADVANCE FOR WEEKEND FEB. 4-5, 2017 AND THEREAFTER - In this photo taken Jan. 26, 2017, physical trainer Kirk Burke yells encouragement to Ozzie Osborn as he works the heavy bag during the Rock Steady Boxing class at Pavitt Health & Fitness in Juneau, Alaska. The class is offered to those with various stages of Parkinson's disease. (Michael Penn/Juneau Empire via AP)
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