title: Illustrating the impact of labor-saving devices.
authors.affiliation: Dept. of Physiology and Health Science, Ball State University, Muncie, IN 47306.
authors.forename: G B
authors.initials: GB
authors.lastname: Lindsay
mesh_terms: D015444:Exercise; D006266:Health Education; D006801:Humans; D008019:Life Style; D009765:Obesity / Q000209:etiology*; D013663:Teaching / Q000379:methods