[My back? I protect it].
D000818:Animals; D001416:Back Pain / Q000517:prevention & control*; D001696:Biomechanical Phenomena; D006801:Humans; D009316:National Institutes of Health (U.S.); D009784:Occupational Diseases / Q000517:prevention & control*; D011187:Posture; D014481:United States
Mon dos? je le protège.