ArticleJournal of neuroengineering and rehabilitation2024
Neuromuscular conditions in post-stroke ankle-foot dysfunction reflected by surface electromyography.
Article in Journal of neuroengineering and rehabilitation, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- High-Sensitivity Bio-Waste-Derived Triboelectric Sensors for Capturing Pathological Motor Features in Hemiplegia Rehabilitation.Micromachines · 2026Article
- Validity of spasticity related parameters obtained from manual clinical instrumented assessment in stroke patients.Scientific reports · 2026Article
- Tibialis anterior surface electromyography during ankle dorsiflexion as a complementary assessment measure after stroke.Frontiers in neurology · 2026Observational
- Higher involvement of synergistic muscle than active muscles in ankle plantar flexion.Scientific reports · 2025Article
- Strategies for STEM and SEMG applications in clinical practice-lessons from the past.Frontiers in rehabilitation sciences · 2024Article
- The effects of mirror therapy with neuromuscular electrical stimulation on motor and sensory functions in patients with common peroneal nerve injury.Frontiers in neuroscience · 2024Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
backgroundRating scales and linear indices of surface electromyography (sEMG) cannot quantify all neuromuscular conditions associated with ankle-foot dysfunction in hemiplegic patients. This study aimed to reveal potential neuromuscular conditions of ankle-foot dysfunction in hemiplegic patients by nonlinear network indices of sEMG.
methodsFourteen male patients with hemiplegia and 10 age- and sex-matched healthy male adults were recruited and tested in static standing position. The characteristics of the root mean square (RMS), median frequency (MF), and three nonlinear indices, the clustering coefficient (C), the average shortest path length (L), and the degree centrality (DC), of eight groups of muscles in bilateral calves were observed.
resultsCompared to those of the control group, the RMS of the medial gastrocnemius (MG), flexor digitorum longus (FDL), and extensor digitorum longus (EDL) on the affected side were significantly lower (P < 0.05), and the RMS of the tibial anterior (TA) and EDL on the unaffected side were significantly higher (P < 0.05). The MF of the EDL on the affected side was significantly higher than that on the control side (P < 0.05). The C of the unaffected side was significantly higher than that of the control group, whereas the L was lower (P < 0.05). Compared to those of the control group, the DC of the TA, EDL, and soleus (SOL) on the unaffected sides were higher (P < 0.05), and the DC of the MG on the affected sides was lower (P < 0.05).
conclusionThe change trends and clinical significance of these three network indices, including C, L, and DC, are not in line with those of the traditional linear indices, the RMS and the MF. The C and L may reflect the degree of synchronous activation of muscles during a certain motor task. The DC might be able to quantitatively assess the degree of muscle involvement and reflect the degree of involvement of a single muscle. Linear and nonlinear indices may reveal more neuromuscular conditions in hemiplegic ankle-foot dysfunction from different aspects.
trial registrationChiCTR2100055090.
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