Watch Functional Fitness (2016) HD Full Movie Free on solarmovie.do. Watch Functional Fitness (2016) online free. This documentary takes a raw and introspective look into the world of Functional Fitness, illustrati...This documentary takes a raw and introspective look into the world of Functional Fitness, illustrating what this growing trend is all about. Functional Fitness follows the stories of gym owners, athletes, and those just beginning their fitness journey. An inspiring film that explores how this fitness phenomenon has enhanced the lives of so many people.