The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness
Muscle-tendon unit length plays a crucial role in quadriceps femoris muscle (QF) physiological adaptation, but the influence of hip and knee angles during QF neuromuscular electrical stimulation (NMES) is poorly investigated. We investigated the effect of muscle length on maximum electrically induce...
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Frontiers Media S.A.
2021-03-01
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| Series: | Frontiers in Physiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fphys.2021.633589/full |
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| author | Jonathan Galvão Tenório Cavalcante Rita de Cassia Marqueti Jeam Marcel Geremia Ivo Vieira de Sousa Neto Bruno Manfredini Baroni Karin Gravare Silbernagel Martim Bottaro Nicolas Babault João Luiz Quagliotti Durigan |
| author_facet | Jonathan Galvão Tenório Cavalcante Rita de Cassia Marqueti Jeam Marcel Geremia Ivo Vieira de Sousa Neto Bruno Manfredini Baroni Karin Gravare Silbernagel Martim Bottaro Nicolas Babault João Luiz Quagliotti Durigan |
| author_sort | Jonathan Galvão Tenório Cavalcante |
| collection | DOAJ |
| description | Muscle-tendon unit length plays a crucial role in quadriceps femoris muscle (QF) physiological adaptation, but the influence of hip and knee angles during QF neuromuscular electrical stimulation (NMES) is poorly investigated. We investigated the effect of muscle length on maximum electrically induced contraction (MEIC) and current efficiency. We secondarily assessed the architecture of all QF constituents and their tendon-aponeurosis complex (TAC) displacement to calculate a stiffness index. This study was a randomized, repeated measure, blinded design with a sample of twenty healthy men aged 24.0 ± 4.6. The MEIC was assessed in four different positions: supine with knee flexion of 60° (SUP60); seated with knee flexion of 60° (SIT60); supine with knee flexion of 20° (SUP20), and seated with knee flexion of 20° (SIT20). The current efficiency (MEIC/maximum tolerated current amplitude) was calculated. Ultrasonography of the QF was performed at rest and during NMES to measure pennation angle (θp) and fascicle length (Lf), and the TAC stiffness index. MEIC and current efficiency were greater for SUP60 and SIT60 compared to SUP20 and SIT20. The vastus lateralis and medialis showed lower θp and higher Lf at SUP60 and SIT60, while for the rectus femoris, in SUP60 there were lower θp and higher Lf than in all positions. The vastus intermedius had a similar pattern to the other vastii, except for lack of difference in θp between SIT60 compared to SUP20 and SIT20. The TAC stiffness index was greater for SUP60. We concluded that NMES generate greater torque and current efficiency at 60° of knee flexion, compared to 20°. For these knee angles, lengthening the QF at the hip did not promote significant change. Each QF constituent demonstrated muscle physiology patterns according to hip and/or knee angles, even though a greater Lf and lower θp were predominant in SUP60 and SIT60. QF TAC index stiffened in more elongated positions, which probably contributed to enhanced force transmission and slightly higher torque in SUP60. Our findings may help exercise physiologist better understand the impact of hip and knee angles on designing more rational NMES stimulation strategies.Clinical Trial Registrationwww.ClinicalTrials.gov, identifier NCT03822221. |
| first_indexed | 2024-12-13T23:31:26Z |
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| id | doaj.art-f2f09aa6c0d0437ca6be4ea50576f992 |
| institution | Directory Open Access Journal |
| issn | 1664-042X |
| language | English |
| last_indexed | 2024-12-13T23:31:26Z |
| publishDate | 2021-03-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Physiology |
| spelling | doaj.art-f2f09aa6c0d0437ca6be4ea50576f9922022-12-21T23:27:25ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2021-03-011210.3389/fphys.2021.633589633589The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis StiffnessJonathan Galvão Tenório Cavalcante0Rita de Cassia Marqueti1Jeam Marcel Geremia2Ivo Vieira de Sousa Neto3Bruno Manfredini Baroni4Karin Gravare Silbernagel5Martim Bottaro6Nicolas Babault7João Luiz Quagliotti Durigan8Graduate Program in Rehabilitation Sciences, Faculdade de Ceilândia, Centro Metropolitano, Universidade de Brasília, Brasília, BrazilGraduate Program in Rehabilitation Sciences, Faculdade de Ceilândia, Centro Metropolitano, Universidade de Brasília, Brasília, BrazilLaboratório de Pesquisa do Exercício, Escola de Educação Física, Fisioterapia e Dança, Universidade Federal do Rio Grande do Sul, Porto Alegre, BrazilGraduate Program in Sciences and Technology in Health, Faculdade de Ceilândia, Centro Metropolitano, Universidade de Brasília, Brasília, BrazilGraduate Program in Rehabilitation Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, BrazilDepartment of Physical Therapy, University of Delaware, Newark, DE, United StatesDepartamento de Educação Física, Faculdade de Educação Física, Universidade de Brasília, Brasília, BrazilUnité Cognition, Action, et Plasticité Sensorimotrice, Faculté des Sciences du Sport, Université Bourgogne, Dijon, FranceGraduate Program in Rehabilitation Sciences, Faculdade de Ceilândia, Centro Metropolitano, Universidade de Brasília, Brasília, BrazilMuscle-tendon unit length plays a crucial role in quadriceps femoris muscle (QF) physiological adaptation, but the influence of hip and knee angles during QF neuromuscular electrical stimulation (NMES) is poorly investigated. We investigated the effect of muscle length on maximum electrically induced contraction (MEIC) and current efficiency. We secondarily assessed the architecture of all QF constituents and their tendon-aponeurosis complex (TAC) displacement to calculate a stiffness index. This study was a randomized, repeated measure, blinded design with a sample of twenty healthy men aged 24.0 ± 4.6. The MEIC was assessed in four different positions: supine with knee flexion of 60° (SUP60); seated with knee flexion of 60° (SIT60); supine with knee flexion of 20° (SUP20), and seated with knee flexion of 20° (SIT20). The current efficiency (MEIC/maximum tolerated current amplitude) was calculated. Ultrasonography of the QF was performed at rest and during NMES to measure pennation angle (θp) and fascicle length (Lf), and the TAC stiffness index. MEIC and current efficiency were greater for SUP60 and SIT60 compared to SUP20 and SIT20. The vastus lateralis and medialis showed lower θp and higher Lf at SUP60 and SIT60, while for the rectus femoris, in SUP60 there were lower θp and higher Lf than in all positions. The vastus intermedius had a similar pattern to the other vastii, except for lack of difference in θp between SIT60 compared to SUP20 and SIT20. The TAC stiffness index was greater for SUP60. We concluded that NMES generate greater torque and current efficiency at 60° of knee flexion, compared to 20°. For these knee angles, lengthening the QF at the hip did not promote significant change. Each QF constituent demonstrated muscle physiology patterns according to hip and/or knee angles, even though a greater Lf and lower θp were predominant in SUP60 and SIT60. QF TAC index stiffened in more elongated positions, which probably contributed to enhanced force transmission and slightly higher torque in SUP60. Our findings may help exercise physiologist better understand the impact of hip and knee angles on designing more rational NMES stimulation strategies.Clinical Trial Registrationwww.ClinicalTrials.gov, identifier NCT03822221.https://www.frontiersin.org/articles/10.3389/fphys.2021.633589/fullexercise physiologyneuromuscular electrical stimulationmoment-angle relationshipmuscle architecturetendon-aponeurosis complex |
| spellingShingle | Jonathan Galvão Tenório Cavalcante Rita de Cassia Marqueti Jeam Marcel Geremia Ivo Vieira de Sousa Neto Bruno Manfredini Baroni Karin Gravare Silbernagel Martim Bottaro Nicolas Babault João Luiz Quagliotti Durigan The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness Frontiers in Physiology exercise physiology neuromuscular electrical stimulation moment-angle relationship muscle architecture tendon-aponeurosis complex |
| title | The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness |
| title_full | The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness |
| title_fullStr | The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness |
| title_full_unstemmed | The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness |
| title_short | The Effect of Quadriceps Muscle Length on Maximum Neuromuscular Electrical Stimulation Evoked Contraction, Muscle Architecture, and Tendon-Aponeurosis Stiffness |
| title_sort | effect of quadriceps muscle length on maximum neuromuscular electrical stimulation evoked contraction muscle architecture and tendon aponeurosis stiffness |
| topic | exercise physiology neuromuscular electrical stimulation moment-angle relationship muscle architecture tendon-aponeurosis complex |
| url | https://www.frontiersin.org/articles/10.3389/fphys.2021.633589/full |
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