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https://hdl.handle.net/2440/132930
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dc.contributor.author | Hand, B.J. | - |
dc.contributor.author | Opie, G.M. | - |
dc.contributor.author | Sidhu, S.K. | - |
dc.contributor.author | Semmler, J.G. | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | European Journal of Applied Physiology, 2022; 122(1):169-184 | - |
dc.identifier.issn | 1439-6319 | - |
dc.identifier.issn | 1439-6327 | - |
dc.identifier.uri | https://hdl.handle.net/2440/132930 | - |
dc.description | Published online: 7 October 2021 | - |
dc.description.abstract | Purpose: Studies with transcranial magnetic stimulation (TMS) show that both acute and long-term exercise can influence TMS-induced plasticity within primary motor cortex (M1). However, it remains unclear how regular exercise influences skill training-induced M1 plasticity and motor skill acquisition. This study aimed to investigate whether skill training-induced plasticity and motor skill learning is modified in endurance-trained cyclists. Methods: In 16 endurance-trained cyclists (24.4 yrs; 4 female) and 17 sedentary individuals (23.9 yrs; 4 female), TMS was applied in 2 separate sessions: one targeting a hand muscle not directly involved in habitual exercise and one targeting a leg muscle that was regularly trained. Single- and paired-pulse TMS was used to assess M1 and intracortical excitability in both groups before and after learning a sequential visuomotor isometric task performed with the upper (pinch task) and lower (ankle dorsiflexion) limb. Results: Endurance-trained cyclists displayed greater movement times (slower movement) compared with the sedentary group for both upper and lower limbs (all P < 0.05), but there was no difference in visuomotor skill acquisition between groups (P > 0.05). Furthermore, endurance-trained cyclists demonstrated a greater increase in M1 excitability and reduced modulation of intracortical facilitation in resting muscles of upper and lower limbs after visuomotor skill learning (all P < 0.005). Conclusion: Under the present experimental conditions, these results indicate that a history of regular cycling exercise heightens skill training-induced M1 plasticity in upper and lower limb muscles, but it does not facilitate visuomotor skill acquisition. | - |
dc.description.statementofresponsibility | Brodie J. Hand, George M. Opie, Simranjit K. Sidhu, John G. Semmler | - |
dc.language.iso | en | - |
dc.publisher | Springer-Verlag | - |
dc.rights | © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021 | - |
dc.source.uri | http://dx.doi.org/10.1007/s00421-021-04825-y | - |
dc.subject | Transcranial magnetic stimulation; motor cortex; motor skill learning; exercise; intracortical inhibition | - |
dc.title | Motor cortex plasticity and visuomotor skill learning in upper and lower limbs of endurance-trained cyclists | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1007/s00421-021-04825-y | - |
dc.relation.grant | http://purl.org/au-research/grants/nhmrc/1139723 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Hand, B.J. [0000-0002-9778-343X] | - |
dc.identifier.orcid | Opie, G.M. [0000-0001-7771-7569] | - |
dc.identifier.orcid | Sidhu, S.K. [0000-0002-4797-8298] | - |
dc.identifier.orcid | Semmler, J.G. [0000-0003-0260-8047] | - |
Appears in Collections: | Physiology publications |
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