Study on factors of improvement of gait efficiency in polio survivors with a carbon fiber reinforced plastic knee-ankle-foot orthosis

(1)向日本假体协会全体会员邮寄调查问卷，52名会员回复曾经定制过矫形器，每5年有829个碳素矫形器。(2)测定7例健康人和8例脊髓灰质炎幸存者在常规Kafo(1650g)、Carbon Kafo(1050g)和600g体重和Carbon Kafo步行时最舒适速度下的氧耗量。矫形器的重量和结构对提高健康人的步态效率很重要，而对于脊髓灰质炎幸存者来说，结构很重要。

(1) A questionnaire was mailed to all members of Japan Prosthesis Association, and 52 members replied that they had ever made a custom-made orthosis, counting 829 carbon orthoses per recent 5 years. (2) Oxygen consumption was measured at the most comfortable speed while walking with a conventional KAFO(1, 650g), carbon KAFO(1, 050g) and 600g weight, and carbon KAFO in 7 healthy persons and 8 polio survivors. Weight and structure of the orthosis were important for improvement of gait efficiency in the healthy persons and structure was important for the polio survivors.