title: Loss of ambulatory ability in patients with old anterior poliomyelitis.
mesh_terms: D000368:Aged; D000375:Aging; D001835:Body Weight; D005221:Fatigue; D005260:Female; D006801:Humans; D008124:Locomotion; D008297:Male; D008875:Middle Aged; D009043:Motor Activity; D009129:Muscle Tonus; D005082:Physical Exertion; D011051:Poliomyelitis / Q000150:complications* / Q000503:physiopathology; D013997:Time Factors