Effect of smartphone location and walking speed on spatiotemporal gait parameters in older adults
Main Article Content
Abstract
Background: Cell phone use while walking has been linked with an increased number of accidental injuries. During old age, simple activities such as carrying a phone while walking may lead to gait modifications. However, no research has studied the effect of smartphone location on spatiotemporal gait parameters in older adults.
Objectives: To study the effect of carrying a smartphone in 5 different locations during walking at self-selected comfortable, fast, and slow speeds on spatiotemporal gait parameters in older adults.
Materials and methods: Twenty-two older adults (age 73.91±5.62 years) were asked to walk at self-selected comfortable, fast, and slow speeds over a 10-meter walkway, with the GAITRite electronic walkway placed in the middle of this path. During all walking trials, participants carried a smartphone in one of five locations: 1) in the right hand, held in a telephone speaking position (hand); 2) in the front right pant pocket (pocket); 3) on a belt attached above the front right pant pocket (belt); 4) in a shoulder bag (bag); and 5) attached to the body above the third lumbar vertebrae (body). A two-way repeated measure ANOVA was used to determine the effect of smartphone location and gait speed. The p value was set at p≤0.05.
Results: No significant interaction effect was found for any spatiotemporal gait parameters. However, there was a significant main effect of smartphone location on the step length and gait speed. Specifically, when carrying a smartphone in the pocket, older adults walk with shorter step length (p=0.031) compared to the body location, and slower gait velocity compared to the bag and body locations (p=0.025 and 0.011, respectively).
Conclusion: Location of smartphone affects the way older adults walk. When carrying a smartphone in the pocket, it is possible that the older adults choose a more conservative gait strategy by walking slower with a shorter step length.
Article Details
Personal views expressed by the contributors in their articles are not necessarily those of the Journal of Associated Medical Sciences, Faculty of Associated Medical Sciences, Chiang Mai University.
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