Acceleration of Upper Trunk Coordination in Young Versus old Adults During Walking on the Level and Irregular Floor Surface Using MTx Sensor

Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IRJU-13-3_012

تاریخ نمایه سازی: 6 دی 1402

Abstract:

Objectives: To evaluate the reliability of head and trunk acceleration measured by MTx sensors during walking on Level and Irregular surfaces and to compare the differences between healthy young and old adults. Methods: Participants were ۲۰ young female university students and ۲۰ non-faller elderly women in Iran, ۲۰۱۳. Two MTX sensors were used to measure head and trunk accelerations in the vertical (VT), anterior-posterior (AP), and medial-lateral (ML) directions while participants walked on a ۷-meter walkway.  Results: ICC values in young group were higher as compared to non- faller elderly group; ICC was greater than ۰.۷ for ۸۹.۴۷%(۳۴.۳۸) of variables in young group and for ۶۰.۵۲%(۲۳.۳۸) in non- faller. Intersession reliability for upper trunk coordination indices in regular surface and in young group showed highest values as compared with other conditions in both groups, whereas the lowest intersession reliability was found in irregular floor surface indices in non-faller elderly group. Discussion: The calculated ICC, SEM, CV%, MDC values suggest that the MTX sensors provide precise recordings and detect small changes in upper  trunk accelerometric parameters. ICC values were influenced by the age and the floor condition. In healthy young, all ICC values in regular surface were higher than ۰.۷. Floor condition effect was noticeable in elderly especially in ML direction. During walking on irregular surface, ML acceleration, velocity and harmonic  ratio in elderly showed lower repeatability.

Authors

Manijeh Soleimanifar

Department of Physiotherapy, University of Social Welfare and Rehabilitation, Tehran, Iran.

Zahra Mosallanezhad

Department of Physiotherapy, University of Social Welfare and Rehabilitation, Tehran, Iran.

Morteza Asgari

Sharif University of Technology, Tehran, Iran.

Marzieh Shirazikhah

University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.

Reza Fadayevatan

Aging Department, Iranian Research Center on Aging, University of Social Welfare and Rehabilitation Sciences, Tehran. Iran.

Mahyar Salavati

department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.

Mohamad Parnianpour

Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran.