A crutch for assisting a user to walk includes a leg platform configured to support a portion of a leg of the user, and a ground contact having a weight supporting medial contact region that is disposed higher than a weight supporting lateral contact region. An optional strap on the leg platform can be used to maintain the leg in a forward position. An optional thigh saddle can be used to help prevent lateral movement of the user’s upper thigh with respect to the crutch. An optional front facing handle can assist new users in learning to use the crutch.一根能幫助使用者行走的免持拐杖支撐臂結構,包括:一個腿平台的裝置能支撐一支撐墊讓使用者的一條腿支撐,以及一個腳具有一個內側接觸區域高於外側接觸區域,一個預先設置的綁帶可以固定腿部在腿平台上於朝前的位置,一個預先設置的大腿鞍可以幫助使用者的大腿避免不必要的橫向走位移動,一個預先設置的朝前手把能幫助新使用者習慣拐杖。