Based on the linked source; automatically prepared and checked against the original report.
User-centered requirements
The proposed concept was shaped through semi-structured interviews and KJ analysis, which identified 13 functional and experiential requirements. Researchers categorized those needs with the Kano model and ranked them using entropy-based weighting. Fitness functionality, adjustability, and postural comfort were the leading design priorities, with weights of 0.1438, 0.1360, and 0.1334.
Proposed training functions
The design integrates resistance exercises for the chest, shoulders, and hand-shoulder movements into a wheelchair intended for daily mobility. The study frames this approach as a response to sedentary lifestyles among wheelchair users, which are associated in the source with secondary complications such as muscle atrophy and joint stiffness. It proposes exercise during everyday use rather than reporting a clinical intervention.
Engineering and mock-up checks
Researchers used finite element analysis in Abaqus to assess the design under a 980 N load. The analysis reported maximum deformation of 1.596 mm, peak stress of 381.3 MPa, and a 1.20 safety factor for the rotating armrest. A scaled physical mock-up was used to validate transitions between training modes without geometric interference. These tests evaluated the proposed design’s structural and spatial feasibility, not health outcomes.
