Knee Support (希腊语:线,ortho，“拉直”或“对齐”）是specialtywithin themedical与design,生产和矫形器的应用。一个矫形器（复数：orthoses）是“一种外部应用的装置，用于修改神经肌肉和功能特征骨骼系统“。^[1]一个orthotist is the primary medical clinician responsible for the prescription, manufacture and management of orthoses. An orthosis may be used to:

• 控制，指南，限制和/或固定extremity,jointor body segment for a particular reason
• 限制给定方向的运动
• Assist movement generally
• Reduceweight bearingforces for a particular purpose
• Aidrehabilitation从fracturesafter the removal of a cast
• Otherwise correct the shape and/or function of the body, to provide easier movement capability or reduce pain

Knee Brace combines knowledge ofanatomy and physiology,病理生理学,biomechanicsandengineering. Patients who benefit from an orthosis may have a condition such asspina bifidaor脑瘫, or have experienced a脊髓损伤orstroke. Equally, orthoses are sometimes used prophylactically or to optimise performance in sport.

Orthoses were traditionally made by following a tracing of the extremity with measurements to assist in creating a well-fitted device. Subsequently, the advent ofplasticsas a material of choice forconstruction需要创建一个想法巴黎石膏mould of the body part in question. This method is still extensively used throughout the industry. Currently,卡德/凸轮，CNC机器和3D打印^[3]are involved in orthotic manufacture.

矫形器是由各种材料制成的热塑性塑料,carbon fibre,metals,elastic,EVA，织物或类似材料的组合。某些设计可以在当地零售商处购买；其他人更具体，需要从医师，谁将根据病人的需求。Over-the-counterbraces are basic and available in multiple sizes. They are generally slid on or strapped on withVelcro, and are held tightly in place. One of the purposes of these braces is injury protection.