An accurate plethysmograph for measurement of changes in the volume of the human foot.
D000293:Adolescent; D000328:Adult; D001834:Body Water / Q000502:physiology*; D005260:Female; D005528:Foot / Q000502:physiology*; D006801:Humans; D008875:Middle Aged; D010991:Plethysmography / Q000295:instrumentation