Shoulder Rehabilitation Product Design Integrating the BWM-FBS-VIKOR Method

SONG Duanshu; MA Penghao; LIU Hangjiang; SUN Yuyuan; WANG Yirun; CHANG Xin

doi:10.19554/j.cnki.1001-3563.2026.10.024

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (10) : 265-276. DOI: 10.19554/j.cnki.1001-3563.2026.10.024

Design Discussion

Shoulder Rehabilitation Product Design Integrating the BWM-FBS-VIKOR Method

SONG Duanshu¹, MA Penghao^1,*, LIU Hangjiang¹, SUN Yuyuan¹, WANG Yirun², CHANG Xin³

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Abstract

With the increasing number of patients suffering from shoulder movement disorders, to address issues such as the lack of objective design analysis in existing shoulder rehabilitation products, the work aims to establish a structured design paradigm to design a safe and comfortable shoulder rehabilitation training product for stroke patients with shoulder movement disorders. Through literature research and group discussions, preliminary acquisition and classification of user needs were conducted. Subsequently, by observing user behavior and conducting user interviews, a user need indicator system was constructed, ultimately screening out 4 primary need indicators and 11 secondary need indicators. The Best-Worst Method (BWM) was applied to calculate need weights and identify critical needs. The Function-Behavior-Structure (FBS) model was utilized to achieve mapping from key user needs to key product structures, thereby guiding the design of the shoulder rehabilitation product. For multiple design solutions, the VIKOR (Vise Kriterijumska Optimizacija I Kompromisno Resenje) method, combined with the evaluation indicator system, was used to conduct objective evaluation and analysis of each design solution, screening the best preliminary product design solution. The preliminary solution was optimized by refining its insufficient functions, delivering the final solution and its feasibility was validated through kinematic analysis and JACK simulation. With the design of a shoulder rehabilitation training product as an example, the integrated BWM-FBS-VIKOR method was employed to clarify user needs, guide the design of the shoulder rehabilitation product, decide upon and optimize a design solution that matched user needs. Validated through kinematics and JACK simulation, the final solution effectively met user needs. This integrated method can effectively improve the reliability and accuracy of shoulder rehabilitation product design solutions, providing strong support for shoulder rehabilitation product design research, and possesses broad application and promotion value.

Key words

product design / BWM / FBS / VIKOR / shoulder rehabilitation products

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SONG Duanshu, MA Penghao, LIU Hangjiang, SUN Yuyuan, WANG Yirun, CHANG Xin. Shoulder Rehabilitation Product Design Integrating the BWM-FBS-VIKOR Method[J]. Packaging Engineering. 2026, 47(10): 265-276 https://doi.org/10.19554/j.cnki.1001-3563.2026.10.024

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