An object of the present invention is with possible to easily adjust the angle and height to hold the shoulder joint, is to provide a shoulder joint rest holding prosthesis that this and can be re-attached be easily carried out after loading and removal. A the forearm in a state of bending the elbow and forearm holding section 2 to hold to wrap from below, hand side of the forearm holding section 2 from the elbow side is traveling to the unaffected side of the shoulder the forearm holding section 2 shoulder and belt 3, and the lumbar pillow 4 from the elbow side of the forearm holding section 2 along the hand side with is sandwiched between the body removably attached to the forearm holding section 2, this lumbar region which is connected to the the elbow end 43 of the pillow 4 by driving the outer periphery of the waist has a waist belt 5 which is connected to the hand-side end portion 44 of the waist pillow 4, the lumbar pillow 4 elbow end 43 and at least one of the hand-side connecting portion between the elbow side connecting portion and the hand-side end portion 44 of the waist pillow 4 of the waist belt 5 and the waist belt 5, the lumbar pillow 4 of any height and / or I is provided with a lumbar pillow adjusting means 6 can hold at any angle. .BACKGROUND【課題】 肩関節を保持する角度や高さの調整が容易に行えるとともに、装着および取り外した後の再装着も容易に行うこのとできる肩関節安静保持用補装具を提供する。【解決手段】 肘を曲げた状態の前腕部を下方から包むように保持する前腕保持部2と、この前腕保持部2の肘側から健側の肩に走行させて前記前腕保持部2の手先側に連結される肩ベルト3と、前記前腕保持部2の肘側から手先側に沿って身体との間に挟持されるとともに前記前腕保持部2に着脱自在に取り付けられる腰部枕4と、この腰部枕4の肘側端部43から腰部の外周を走行させて前記腰部枕4の手先側端部44に連結される腰ベルト5とを有しており、前記腰部枕4の肘側端部43と前記腰ベルト5との肘側連結部および前記腰部枕4の手先側端部44と前記腰ベルト5との手先側連結部の少なくとも一方に、前記腰部枕4を任意の高さおよび/または任意の角度で保持可能な腰部枕調整手段6を備えている。【選択図】 図1