The Effects of Vision on Stair Descent: Kinetic and Kinematic Analysis

Year 2023, Volume: 7 Issue: 2, 573 - 578, 31.05.2023

Ata Elvan , Metin Selmani Mehmet Alphan Çakıroğlu Salih Angın , Engin Sımsek

https://doi.org/10.30621/jbachs.996534

Abstract

Purpose: The purpose of this study was to examine the effects of vision on stair descent activity.
Methods: Twenty healthy participants aged between 20-22 (21 years) were included in the study. The patients were asked to walk on a platform with a height of 15 cm from the ground and a length of 4 meters, get down on a 30*60 cm long force platform at the end of the platform and continue walking. Test was repeated with glasses that reduced the light by 90%. Kinetic data were obtained with the Kistler Force platform. The data collected from the first contact of the person's foot to the force platform until the contact of the same foot with the platform was recorded. Descriptive statistics are given as median. Wilcoxon signed-rank test with Bonferroni correction was used to compare within-group measurement values.
Results: There were significant differences in the Min region on X-axis, the second peak on the second axis, and the second peak on Y-axis (p<0.025). When the kinematic parameters were compared, it was found that there was a significant difference between the min peaks of the ankle, hip, and knee joints (p<0.025).
Conclusion: If the vision is disrupted, even the person tries to minimize the injury risk caused by the uncontrolled movement, he/she is not able to take control of the midstance and push-off phase of the related lower extremity. It is necessary to also assess the kinetic and kinematic parameters of the contralateral lower extremity in order to broadly analyze the stair descent activity

Keywords

Stair Descent, Vision, Kinetic, Kinematic

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