ArticleEuropean journal of applied physiology2025
Enhanced joint energy transfer potential by the biarticular gastrocnemii muscles during perturbed walking.
Article in European journal of applied physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The biarticularity of the gastrocnemii muscles provides relevant mechanisms for managing drop-like gait perturbations in humans.The Journal of experimental biology · 2026Article
- Biarticular energy transfer mechanisms of the gastrocnemii muscles are associated with managing body energy during hole negotiation gait.Scientific reports · 2026Article
- Functional Trade-Offs of Regulatory Mechanisms in the Management of Body Energy, Frontal Plane Angular Momentum and Mediolateral Margin of Stability During Hole Negotiation Gait.Annals of biomedical engineering · 2025Article
- Biarticular gastrocnemii muscles increase their joint energy transfer potential at high running speeds.Royal Society open science · 2025Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Our objective was to explore how the potential for energy transfer between the ankle and knee joint via the biarticular gastrocnemii muscles is modulated during unpredictable and adapted trip-like and drop-like gait perturbations. Using kinematic parameters of the ankle and knee joints, the energy transfer potential between the two joints was determined as the fraction of contact time when the ankle and knee joint angles are in-phase. Additionally, the electromyographic activity of the gastrocnemius medialis and lateralis were captured during the drop-like perturbations. The energy transfer potential increased 1.6-fold in the trip-like and 2.5-fold in the drop-like perturbations compared to unperturbed walking, indicating a relevant involvement of biarticular mechanisms in maintaining body stability. The activation of the gastrocnemii was high (50-60% of a maximum voluntary contraction) in the phases of ankle-to-knee and knee-to-ankle joint energy transfer, which suggests a relevant contribution of biarticular mechanisms to the management of the body's energy during the drop-like perturbations. Considering the similar ankle-to-knee joint energy transfer potential compared to unperturbed walking, the higher activation of the gastrocnemii muscles in the first 20% of the stance indicates a greater contribution of biarticular mechanisms to the absorption of body energy in the unpredictable perturbations.
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