Problems of instability in old age.
D000059:Accidents; D000368:Aged; D001847:Bone Diseases / Q000150:complications*; D001927:Brain Diseases / Q000150:complications*; D002318:Cardiovascular Diseases / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D004856:Postural Balance; D012306:Risk