ArticleEuropean journal of applied physiology2017
Changes in the electromechanical delay components during a fatiguing stimulation in human skeletal muscle: an EMG, MMG and force combined approach.
Article in European journal of applied physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.
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Who cites it
11 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Assessment of muscle activity using electrical stimulation and mechanomyography: a systematic review.Biomedical engineering online · 2021Pooled it
- Accelerometer-based characteristics of evoked mechanomyograms in the orbicularis oculi muscle.Experimental brain research · 2026Article
- Influence of age on force and re-lengthening dynamics after tetanic stimulation withdrawal in the tibialis anterior muscle.European journal of applied physiology · 2023Article
- Fatigue effect on cross-talk in mechanomyography signals of extensor and flexor forearm muscles during maximal voluntary isometric contractions.Journal of musculoskeletal & neuronal interactions · 2021Article
- Longer electromechanical delay in paretic triceps surae muscles during voluntary isometric plantarflexion torque generation in chronic hemispheric stroke survivors.Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology · 2021Article
- Mechanotendography in Achillodynia shows reduced oscillation variability of pre-loaded Achilles tendon: a pilot study.European journal of translational myology · 2020Article
- Application of Modern Multi-Sensor Holter in Diagnosis and Treatment.Sensors (Basel, Switzerland) · 2020Review
- Peripheral fatigue: new mechanistic insights from recent technologies.European journal of applied physiology · 2020Review
- State-of-the-art research in robotic hip exoskeletons: A general review.Journal of orthopaedic translation · 2020Review
- Mechanomyographic responses for the biceps brachii are associated with failure times during isometric force tasks.Physiological reports · 2018Article
- Electromechanical delays during a fatiguing exercise and recovery in patients with myotonic dystrophy type 1.European journal of applied physiology · 2017Article
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Authors and funding
6 authors.
Funding
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Abstract
purposePeripheral fatigue involves electrochemical and mechanical mechanisms. An electromyographic, mechanomyographic and force combined approach may permit a kinetic evaluation of the changes at the synaptic, skeletal muscle fiber, and muscle-tendon unit level during a fatiguing stimulation.
methodsSurface electromyogram, mechanomyogram, force and stimulation current were detected from the gastrocnemius medialis muscle in twenty male participants during a fatiguing stimulation (twelve blocks of 35 Hz stimulations, duty cycle 9 s on/1 s off, duration 120 s). The total electromechanical delay and its three components (between stimulation current and electromyogram, synaptic component; between electromyogram and mechanomyogram signal onset, muscle fiber electrochemical component, and between mechanomyogram and force signal onset, mechanical component) were calculated. Interday reliability and sensitivity were determined.
resultsAfter fatigue, peak force decreased by 48% (P < 0.05) and the total electromechanical delay and its synaptic, electrochemical and mechanical components lengthened from 25.8 ± 0.9, 1.47 ± 0.04, 11.2 ± 0.6, and 13.1 ± 1.3 ms to 29.0 ± 1.6, 1.56 ± 0.05, 12.4 ± 0.9, and 17.2 ± 0.6 ms, respectively (P < 0.05). During fatigue, the total electromechanical delay and the mechanical component increased significantly after the 40th second, and then remained stable. The synaptic and electrochemical components lengthened significantly after the 20th and 30th second, respectively. Interday reliability was high to very high, with an adequate level of sensitivity.
conclusionsThe kinetic evaluation of the delays during the fatiguing stimulation highlighted different onsets and kinetics, with the events at synaptic level being the first to reveal a significant elongation, followed by those at the intra-fiber level. The mechanical events, which were the most affected by fatigue, were the last to lengthen.
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