title: Cardiac responses to isometric exercise: comparative effects with different postures and levels of exertion.
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D001794:Blood Pressure; D005080:Exercise Test; D006321:Heart / Q000502:physiology*; D006326:Heart Auscultation; D006339:Heart Rate; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000502:physiology; D005082:Physical Exertion; D011187:Posture; D011674:Pulse