title: The strength of the flexor and extensor muscles of the trunk.
authors.forename: J D
authors.initials: JD
authors.lastname: Troup
authors.forename: A E
authors.initials: AE
authors.lastname: Chapman
mesh_terms: D000293:Adolescent; D000328:Adult; D001415:Back / Q000502:physiology*; D005260:Female; D006621:Hip Joint / Q000502:physiology*; D006801:Humans; D007537:Isometric Contraction / Q000502:physiology*; D008159:Lumbar Vertebrae / Q000502:physiology*; D008297:Male; D018482:Muscle, Skeletal / Q000502:physiology*; D010807:Physical Endurance / Q000502:physiology; D004856:Postural Balance / Q000502:physiology*; D011187:Posture / Q000502:physiology*; D013314:Stress, Mechanical