The thigh is restrained from being pressed without impairing stability of the person, by values set therein, and a dropsy of a crura part is prevented from being dropsically swollen as a result thereof. これらの数値により、人の安定性を損なうことなく大腿部への圧迫を抑制でき、その結果、下腿部のむくみを防止できる。 - 特許庁