Changes in supraspinal and spinal excitability of the biceps brachii following brief, non-fatiguing submaximal contractions of the elbow flexors in resistance-trained males

Aboodarda, Saied Jalal; Copithorne, David B.; Pearcey, Gregory E. P.; Button, Duane C.; Power, Kevin E.

doi:10.1016/j.neulet.2015.09.028

Cited by 19 publications

(25 citation statements)

References 25 publications

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“…They could also focus on the effect of different durations of bouts and rest periods on the phenomenon. Results from such studies would supplement animal studies investigating post exercise excitation of rhythmic movement mediated by central pattern generators (Kueh, Barnett, Cymbalyuk, & Calabrese, 2016;Aboodarda, Copithorne, Pearcey, Button, & Power, 2015).…”

Section: Discussionmentioning

confidence: 98%

Vertical Finger Displacement Is Reduced in Index Finger Tapping During Repeated Bout Rate Enhancement

2017

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. (2017). Vertical finger displacement is reduced in index finger tapping during repeated bout rate enhancement. Motor Control, 21(4), 457-467. https://doi.org/10.1123/mc.2016-0037 General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.? Users may download and print one copy of any publication from the public portal for the purpose of private study or research. ? You may not further distribute the material or use it for any profit-making activity or commercial gain ? You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access to the work immediately and investigate your claim. , corresponding to 6.0±11.0%, p=.033) was accompanied by reduced vertical displacement (1.6±2.9 mm, corresponding to 6.3±14.9%, p=.012) of the fingertip. Concurrently, peak force was unchanged. The present study points at separate control mechanisms governing kinematics and kinetics during finger tapping.

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Section: Discussionmentioning

confidence: 98%

Vertical Finger Displacement Is Reduced in Index Finger Tapping During Repeated Bout Rate Enhancement

2017

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“…; Aboodarda et al. ) and the evoked twitch force of that given muscle (Vandervoort et al. ; Kufel et al.…”

Section: Introductionmentioning

confidence: 99%

“…; Aboodarda et al. ), first dorsal interosseous (McDonnell and Ridding ; Giesebrecht et al. ; Teo et al.…”

Section: Introductionmentioning

confidence: 99%

“…; Aboodarda et al. ), whereas cervicomedullary MEP (CMEP) amplitudes can be reduced to half its size following submaximal muscle contractions compared with precontraction values (Aboodarda et al. ).…”

Section: Introductionmentioning

confidence: 99%

“…), whereas cervicomedullary MEP (CMEP) amplitudes can be reduced to half its size following submaximal muscle contractions compared with precontraction values (Aboodarda et al. ). The aforementioned studies found changes in corticospinal excitability of a resting muscle following a contraction protocol.…”

Section: Introductionmentioning

confidence: 99%

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Corticospinal excitability to the biceps brachii and its relationship to postactivation potentiation of the elbow flexors

Collins¹,

Gale²,

Buckle³

et al. 2017

Physiol Rep

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We examined the effects of a submaximal voluntary elbow flexor contraction protocol on measures of corticospinal excitability and postactivation potentiation of evoked muscle forces and if these measures were state‐dependent (rest vs. voluntary muscle contraction). Participants completed four experimental sessions where they rested or performed a 5% maximum voluntary contraction (MVC) of the elbow flexors prior to, immediately, and 5 min following a submaximal contraction protocol. During rest or 5% MVC, transcranial magnetic stimulation, transmastoid electrical stimulation, electrical stimulation of biceps brachii motor point and Erb's point were elicited to induce motor‐evoked potentials (MEPs), cervicomedullary MEPs (CMEPs), potentiated twitch (PT) force, and maximal muscle compound action potential (M max), respectively prior to, immediately, and 5 min postcontraction protocol. MEP amplitudes increased (215 and 165%Mmax, P ≤ 0.03) only at 1 and 6s postcontraction protocol, respectively during rest but not 5% MVC. CMEP amplitudes decreased during rest and 5% MVC (range:21–58%M max, P ≤ 0.04) for up to 81 sec postcontraction protocol. Peak twitch force increased immediately postcontraction protocol and remained elevated for 90 sec (range:122–147% increase, P < 0.05). There was a significant positive correlation between MEP and PT force during rest (r = 0.88, P = 0.01) and a negative correlation between CMEP and PT force during rest (r = −0.85, P < 0.02 and 5% MVC (r = −0.96, P < 0.01) immediately postcontraction protocol. In conclusion, the change in corticospinal and spinal excitability was state‐ and time‐dependent whereas spinal excitability and postactivation potentiation were time‐dependent following the contraction protocol. Changes in corticospinal excitability and postactivation potentiation correlated and were also state‐dependent.

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Three-week treadmill training changes the electrophysiological properties of spinal interneurons in the mice

Chen

Cheng

et al. 2019

Exp Brain Res

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Changes in supraspinal and spinal excitability of the biceps brachii following brief, non-fatiguing submaximal contractions of the elbow flexors in resistance-trained males

Cited by 19 publications

References 25 publications

Vertical Finger Displacement Is Reduced in Index Finger Tapping During Repeated Bout Rate Enhancement

Vertical Finger Displacement Is Reduced in Index Finger Tapping During Repeated Bout Rate Enhancement

Corticospinal excitability to the biceps brachii and its relationship to postactivation potentiation of the elbow flexors

Three-week treadmill training changes the electrophysiological properties of spinal interneurons in the mice

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