Restriction and pain during forward bending in concrete reinforcement workers.
D000328:Adult; D000367:Age Factors; D001416:Back Pain / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D011187:Posture; D012585:Sciatica / Q000453:epidemiology; D013312:Stress, Physiological