Impact of television on medicine: posture and physical fitness.
D002574:Cervical Vertebrae; D005260:Female; D006801:Humans; D008161:Lumbosacral Region; D008297:Male; D010809:Physical Fitness; D011187:Posture; D011998:Recreation; D013122:Spinal Diseases / Q000209:etiology / Q000517:prevention & control; D013690:Television