AI Article Synopsis
- The study investigates how aging affects walking patterns in older adults, highlighting the importance of gait for maintaining independence.
- The research assessed 200 participants aged 60 to 102, comparing gait parameters across three age groups: 60-79, 80-89, and 90+.
- Findings showed significant differences in various gait variables, with gait speed and step length being the most effective indicators of age-related changes, suggesting usual gait is a better measure for assessing aging effects.
Article Abstract
Background: With increases in life expectancy, it is important to understand the influence of aging on gait, given that this activity is related to the independence of older adults and may help in the development of health strategies that encourage successful aging in all phases of this process.
Research Question: To compare gait parameters with usual and fast speeds for independent and autonomous older adults throughout the aging process (60 to 102 years old), and also to identify which of the gait variables are best for identifying differences across the different age groups.
Methods: Two hundred older adults aged between 60 and 102 years were evaluated. The sample was divided into 3 age groups: 60 to 79 years, 80 to 89 years and 90 years and over. The analyzed gait variables were: speed (meters/s), cadence (steps/min), stride time (seconds), step length (centimeters), double support (percentage of the gait cycle), swing (percentage of the gait cycle), step length variability (CoV%) and stride time variability (CoV%).
Results: Group comparison regarding usual gait and fast gait revealed a significant difference in all gait variables. In addition, it can be seen that variables such as gait speed and step length showed greater effect sizes in intergroup comparison (usual gait: 0.48 and 0.47; fast gait: 0.36 and 0.40; respectively), possibly showing that these variables can better detect the changes observed with increasing age.
Conclusion: There are differences in the gait performance of older adults from different age groups for usual and fast gait speeds, which is more evident regarding gait speed and step length variables. We recommend the use of usual gait for the identification of the effects of aging because, besides showing a higher effect size values it is more comfortable and requires less effort from older subjects.
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| http://dx.doi.org/10.1016/j.humov.2019.102540 | DOI Listing |
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