To provide an orthodontic appliance under arm type appliance capable of securing a range of motion of a hip joint, which is easy to move even when a brace is attached and can relieve pain caused by contact between the body of the hip joint part and an orthosis.SOLUTION: The left and right iliac crests of an orthotic appliance under arm type orthosis are cut in accordance with the range of motion of the hip joint, and leather is provided on the orthosis part 3 of the hip joint cut.(FIG. 1).【課題】股関節の可動域が確保でき、装具を付けていても動き易く、股関節部分の身体と装具が接触することによる痛みを和らげることができる側弯症矯正具アンダーアームタイプ装具を提供する。【解決手段】側弯症矯正装具アンダーアームタイプ装具の左右腸骨稜部を股関節の可動域に合わせてカットし、カットした股関節の装具部分3にレザーを設ける。【選択図】図1
