Duchenne muscular dystrophy, a rare form of muscular dystrophy is chronicled in a new documentary where director and father Nick Taussig navigates the family’s life after his two sons, Theo and Oskar, are both diagnosed with the condition. The film, “A Space in Time,” follows the boys as their condition progresses and reduces their mobility. The documentary includes perspective from the parents as well as a first-person account from the boys on adjusting to life with a disability.