The relationship between four tests of back muscle strength in untrained subjects.
D000293:Adolescent; D000328:Adult; D001415:Back; D001696:Biomechanical Phenomena; D001835:Body Weight; D004185:Disability Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009068:Movement; D009132:Muscles; D010806:Physical Education and Training; D010809:Physical Fitness; D011187:Posture; D013997:Time Factors