A comparison of objectively measured free-living physical behaviour in adults with and without lower limb amputation

Deans, Sarah and Kirk, Alison and McGarry, Anthony and Rowe, David A. and Dall, Philippa M. (2023) A comparison of objectively measured free-living physical behaviour in adults with and without lower limb amputation. International Journal of Environmental Research and Public Health, 20 (13). 6198. ISSN 1660-4601 (https://doi.org/10.3390/ijerph20136198)

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Abstract

Objectively monitored free-living physical behaviours of adults with and without lower limb amputation (LLA) were compared. Methods: 57 adults with LLA wore an activPAL3™ for 8 days. A comparison data set (n = 57) matched on gender, age and employment status was used. Variables included: time sitting; standing; stepping; sit-to-stand transitions; step count and cadence. Comparisons were made between adults with and without LLA and between gender, level and cause of amputation. Results: Participants with LLA due to trauma versus circulatory causes were less sedentary and more active; however, no difference in physical behaviour was recorded across gender or level of amputation. Participants with LLA spent more time sitting (p < 0.001), less time standing and stepping (p < 0.001) and had a lower step count (p < 0.001). Participants with LLA took more steps in cadence bands less than 100 steps·min−1 and fewer steps in cadence bands greater than 100 steps·min−1 compared to participants without LLA. Conclusions: People with LLA were less active and more sedentary than people without LLA and participated in less activity at a moderate or higher intensity when matched on age, gender and employment. Interventions are needed to promote active lifestyles in this population.

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