Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.

The current study was designed to examine corticospinal modulation during a 10-week hypertrophy-training program including a 6-week detraining period. Furthermore, the study aimed to explain the origins or corticospinal adaptation. We compared motor evoked potentials (MEPS) over the time period in t...

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Main Author: Restuccia, Joel
Other Authors: Liikuntatieteellinen tiedekunta, Faculty of Sport and Health Sciences, Liikunta- ja terveystieteet, Sport and Health Sciences, Jyväskylän yliopisto, University of Jyväskylä
Format: Master's thesis
Language:eng
Published: 2018
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/62618
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author Restuccia, Joel
author2 Liikuntatieteellinen tiedekunta Faculty of Sport and Health Sciences Liikunta- ja terveystieteet Sport and Health Sciences Jyväskylän yliopisto University of Jyväskylä
author_facet Restuccia, Joel Liikuntatieteellinen tiedekunta Faculty of Sport and Health Sciences Liikunta- ja terveystieteet Sport and Health Sciences Jyväskylän yliopisto University of Jyväskylä Restuccia, Joel Liikuntatieteellinen tiedekunta Faculty of Sport and Health Sciences Liikunta- ja terveystieteet Sport and Health Sciences Jyväskylän yliopisto University of Jyväskylä
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description The current study was designed to examine corticospinal modulation during a 10-week hypertrophy-training program including a 6-week detraining period. Furthermore, the study aimed to explain the origins or corticospinal adaptation. We compared motor evoked potentials (MEPS) over the time period in the vastus lateralis muscle by employing a range of transcranial magnetic stimulation (TMS) techniques including the input/output curve (I/O curve), short intracortical inhibition (SICI), intracortical facilitation (ICF) and the silent period (SP) The main finding was that corticospinal excitability was reduced as the training protocol went on (P = 0.005) and then significantly rose after 3 weeks of detraining, followed by a reduction again after 6 weeks of detraining (P = 0.016). There were no significant differences found in short-intracortical inhibition (SICI), intracortical facilitation (ICF) and silent period (SP) (P > 0.05) or between bilateral and unilateral groups (P > 0.05) for all measurements. The current results support the idea that initially when exposed to training, the corticospinal tract of a target muscle becomes less excitable but also introduces the effects that detraining may play in response to corticospinal excitability.
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Furthermore, the study\naimed to explain the origins or corticospinal adaptation. We compared motor evoked\npotentials (MEPS) over the time period in the vastus lateralis muscle by employing a range of\ntranscranial magnetic stimulation (TMS) techniques including the input/output curve (I/O\ncurve), short intracortical inhibition (SICI), intracortical facilitation (ICF) and the silent\nperiod (SP)\nThe main finding was that corticospinal excitability was reduced as the training protocol went\non (P = 0.005) and then significantly rose after 3 weeks of detraining, followed by a\nreduction again after 6 weeks of detraining (P = 0.016). 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spellingShingle Restuccia, Joel Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group. Corticospinal excitability TMS Vastus Lateralis. Biomekaniikka Biomechanics 5012
title Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
title_full Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
title_fullStr Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group. Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
title_full_unstemmed Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group. Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
title_short Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
title_sort effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group
title_txtP Effects of hypertrophy training on spinal and corticospinal excitability within the quadriceps muscle group.
topic Corticospinal excitability TMS Vastus Lateralis. Biomekaniikka Biomechanics 5012
topic_facet 5012 Biomechanics Biomekaniikka Corticospinal excitability TMS Vastus Lateralis.
url https://jyx.jyu.fi/handle/123456789/62618 http://www.urn.fi/URN:NBN:fi:jyu-201901281324
work_keys_str_mv AT restucciajoel effectsofhypertrophytrainingonspinalandcorticospinalexcitabilitywithinthequadricep