1. Ayyappa, E.: Normal human locomotion. J. Prosthet. Orthot. 9, 10–17 (1997)
2. Stout, J., Tervo, R., Gorton, G.S.: Comparison of skill difficulty for typically developing children and those with gait impairment using the Gillette Functional Assessment Questionnaire. Dev. Med. Child Neurol. 54, 27–28 (2012)
3. Karimi, M.T., Mostamand, J., Fatoye, F.: The use of motion analysis system and orthosis in patients with neuro-musculoskeletal disorders. J. Mech. Med. Biol. 14(02), 1450028 (2014)
4. ARCIndustry.: Global orthotic devices market analysis and forecast, p. 16 (2014)
5. Showers, D.C., Strunck, M.L.: Sheet plastics and their applications in orthotics and prosthetics. Orthot. Prosthet. 38(4), 41–48 (1985)