A mobility device (1) comprising: a main frame (3) having a central longitudinal axis which coincides with the median plane of the mobility device (1), an elongated body support member (13b) which has a central longitudinal axis (A1) that is contained in a median plane of the mobility device (1), the body support member (13b) being pivotally connected to the main frame (3) via a medial pivot connection (17), and an elongated rotation transfer member (13c) rotatably connected to the body support member (13b), wherein the rotation transfer member (13b) has a central longitudinal axis (A2) which extends transversally relative to the central longitudinal axis (A1) of the body support member (13b).移動裝置(1)包括：主框架(3)，其具有與移動裝置(1)之中間平面重合的中央縱軸；長形身體支撐件(13b)，其具有包含於移動裝置(1)之中間平面的中央縱軸(A1)，身體支撐件(13b)經由中間樞紐連接(17)而樞轉地連接到主框架(3)；以及長形旋轉轉移件(13c)，其可旋轉地連接到身體支撐件(13b)，其中旋轉轉移件(13b)具有中央縱軸(A2)，其相對於身體支撐件(13b)的中央縱軸(A1)而橫向延伸。
