title: Isometric maximal and sub-maximal trunk extension at different flexed positions in standing: triaxial torque output and EMG.
authors.forename: R A
authors.initials: RA
authors.lastname: Haas
mesh_terms: D000375:Aging / Q000502:physiology*; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007405:Intervertebral Disc Displacement; D007537:Isometric Contraction / Q000502:physiology*; D008159:Lumbar Vertebrae / Q000502:physiology*; D008297:Male; D018482:Muscle, Skeletal / Q000502:physiology*; D011187:Posture / Q000502:physiology*