1. [1] LeTourneau Prosthetics. The history of the orthotic and prosthetic professions. LeTourneau Prosthetics. Nov 22, 2017. https://www.llop.com/history-orthotic-prosthetics/ (accessed Sep. 20, 2022).
2. [2] Edwards JW. Orthopaedic appliances atlas. Am Acad Orthop Surg. 1952;1: 210-213.
3. [3] Bunch WH. Introduction to orthotics. American Academy of Orthopedic Surgeons. Atlas of Orthotics Biomechanical Principles and Application, 2nd ed. St. Louis: CV Mosby Company. 1985.
4. [4] Wilson AB Jr. Limb prosthetics-1970. Artif Limbs. 1970;14(1): 1-52.
5. [5] Sharrard WJW. Muscle recovery in poliomyelitis. J Bone Joint Surg Br. 1955;37 B(1): 63-79.