ArticleTechnology and health care : official journal of the European Society for Engineering and Medicine2021
Energy absorption at lower limb joints in different foot contact strategies while descending stairs.
Article in Technology and health care : official journal of the European Society for Engineering and Medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Effect of heel height on lower limb biomechanics during stair descent in young women: a laboratory study.BMC musculoskeletal disorders · 2025Article
- Dynamic balance control in healthy young women during stair descent: a plantar pressure-based study.Frontiers in bioengineering and biotechnology · 2025Article
- Comparison of biomechanical parameters in lower limb joints of stroke patients according to conventional evaluation scores during level walking.Frontiers in bioengineering and biotechnology · 2024Article
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Authors and funding
5 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundJoint loads in different walking strategies during stair descent have been investigated in terms of the joint moment in association with the risk of osteoarthritis. However, the absorption mechanisms of the potential energy loss are not known.
objectiveThis study aims to compare the mechanical energy absorptions in lower limb joints in different initial foot contact strategies.
methodsNineteen young subjects walked down on instrumented stairs with two different strategies, i.e., forefoot and rearfoot strike. Power and energy at lower limb joints during stance phase were compared between strategies.
resultsLower limb joints absorbed 73 ± 11% of the potential energy released by descending stairs and there was no difference between strategies. Rearfoot strategy absorbed less energy than forefoot strategy at the ankle joint in the 1st phase, which was compensated mainly by more energy absorption at the knee in the 2nd phase and less energy generation at the hip joints in the 3rd phase.
conclusionThe results suggest that a leg absorbs most of the potential energy while descending stairs irrespective of the walking strategies and that any reduction of energy absorption at one joint is compensated by other joints. Greater energy absorption at the knee joint compared to the other joints suggests high burden of knee joint muscles and connective tissues during stair-descent, which is even more significant for the rearfoot strike strategy.
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