1. H. A. Baldwin, Realizable models of muscle function, Proceedings of the First Rock Biomechanics Symposium, New York 1969 139–148.
2. D. G. Caldwell, A. Razak and M. J. Goodwin, Braided pneumatic muscle actuators, proceedings of the IFAC conference on intelligent autonomous vehicles, Southampton 1993 507–512.
3. Y.-L. Park, B. Chen, N. O. Pérez-Arancibia, D. Young, L. Stirling, R. J. Wood, E. C. Goldfield and R. Nagpal, Design and control of a bio-inspired soft wearable robotic device for ankle-foot rehabilitation, Bioinspiration & Biomimetics, 9 (2014) 1–17.
4. Sawicki and Ferris, A pneumatically powered knee-anklefoot orthosis (KAFO) with myoelectric activation and inhibition, Journal of NeuroEngineering and Rehabilitation, 6 (23) (2009) 1–16.
5. E. T. Roche, R. Wohlfarth, J. T. B. Overvelde, N. V. Vasilyev, F. A. Pigula, D. J. Mooney, K. Bertoldi and C. J. Walsh, Actuators: A bioinspired soft actuated material, Advanced Materials, 26 (8) (2014) 1145.