Can a Smartphone be used for Balance Assessment during Walking in Lower Limb Amputees?

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REZAIE MOHAMMAD REZA; TAHMASEBI TAHMOURES; HASSANZADEH AKBAR

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Journal Paper

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Journal: Journal of Rehabilitation Sciences and Research Year:2020 | Volume:7 | Issue:2 Page(s): 47-53

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Information Journal Paper

Title

Can a Smartphone be used for Balance Assessment during Walking in Lower Limb Amputees?

Author(s)

REZAIE MOHAMMAD REZA | TAHMASEBI TAHMOURES | HASSANZADEH AKBAR | Issue Writer Certificate

Keywords

Amputees Stability Smartphone Accelerometry Reliability analysis

Abstract

Background: Nowadays, smartphones are equipped with an accelerometer module that can measure and record the body linear accelerations during walking. The aims of this study were: 1) reliability assessment of smartphone accelerometer for trunk accelerometry; 2) comparison of stability indices base on trunk accelerometry between the amputee and able-bodied subjects; and 3) comparison between energy storage and release (ESR) and multi-axis prosthetic feet users. Methods: Eleven below-knee amputees (5 multi-axis and 6 ESR prosthetic feet) and 11 able-bodied subjects enrolled in this comparative study. The dynamic stability was assessed using a smartphone attached to their back through an elastic belt during walking in a 6-m walkway. Also, normalized root mean squares (nRMS) of mediolateral (ML) and anteroposterior (AP) directions were calculated as stability indices. The intraclass correlation coefficient (ICC), standard error of measurement (SEM), SEM%, and Bland-Altman plots were used for reliability analysis. The Independent T-test was also used to compare the healthy and amputee subjects as well as ESR and multiaxis prosthetic feet users. The critical alpha was set at 0. 05. Results: The results showed that the accelerometer has the ICC values more than 0. 97 and 0. 89 for test-retest and inter-session, respectively. Amputees had significantly higher trunk accelerations in ML direction compared to ablebodied subjects (P=0. 023) but not in AP direction (P=0. 496). Although the results were not significant between ESR and multi-axis prosthetic feet (AP P=0. 16, ML P=0. 44), the AP stability index was higher in ESR users (AP Multiaxis= 117. 45, ESR=127. 38). Conclusion: The smartphone can be used as a reliable measurement tool in clinical environments to assess the stability indices based on trunk accelerometry in transtibial amputees. More studies should be conducted to obtain more reliable results.

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APA: Copy

REZAIE, MOHAMMAD REZA, TAHMASEBI, TAHMOURES, & HASSANZADEH, AKBAR. (2020). Can a Smartphone be used for Balance Assessment during Walking in Lower Limb Amputees?. JOURNALS OF REHABILITATION SCIENCES AND RESEARCH, 7(2), 47-53. SID. https://sid.ir/paper/765831/en

Vancouver: Copy

REZAIE MOHAMMAD REZA, TAHMASEBI TAHMOURES, HASSANZADEH AKBAR. Can a Smartphone be used for Balance Assessment during Walking in Lower Limb Amputees?. JOURNALS OF REHABILITATION SCIENCES AND RESEARCH[Internet]. 2020;7(2):47-53. Available from: https://sid.ir/paper/765831/en

IEEE: Copy

MOHAMMAD REZA REZAIE, TAHMOURES TAHMASEBI, and AKBAR HASSANZADEH, “Can a Smartphone be used for Balance Assessment during Walking in Lower Limb Amputees?,” JOURNALS OF REHABILITATION SCIENCES AND RESEARCH, vol. 7, no. 2, pp. 47–53, 2020, [Online]. Available: https://sid.ir/paper/765831/en

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