LM is a Research Fellow on the Freehab at The University of the West England, Bristol, UK; RSD and NR are Research Associates on the Freehab in the department of Engineering Mathematics at University of Bristol,
From an engineering perspective, the first challenge is developing new soft actuators that are lightweight, compliant and sufficiently powerful enough to deliver smooth and safe assistance for natural mobility [82,83]. They must be capable of varying their stiffness and deforming when exposed to exte...