Innerd, Paul , Physical activity assessment: a lifecourse approach/ Paul Innerd. - New York : Routledge, 2020. - x, 193 pages : illustrations (figures, tables) ; 23 cm. Includes index. Includes bibliographic references. ISBN: 9781138059993 Subjects--Topical Terms: Physical fitness--testing.Accelerometers.Exercise tests. LC Class. No.: GV 436 / .I56 Dewey Class. No.: 613.7 / In63p