Unilateral predominant toe walking gait in a patient with ankylosing spondylitis.
D020233:Gait Disorders, Neurologic / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000150:complications*