Thomas, T R Resistance exercise program effects on abdominal function and physique. [electronic resource] - The Journal of sports medicine and physical fitness Mar 1989 - 45-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0022-4707 Subjects--Topical Terms: Abdominal Muscles--physiologyAdolescentAdultExerciseFemaleHumansMaleSkinfold Thickness