Effects of an Acute and Chronic Training Protocol Associated to the Inter-set Velocity Loss
24 mai 2019 mis à jour par: Alejandro Muñoz López
Neuromuscular, Physiological and Performance Changes After an Acute and Chronic Training Protocol Associated to the Inter-set Velocity Loss
This study evaluates different performance, physiological and neuromuscular changes after acute and chronic resistance training intervention in physically active men.
The participants will train with a single exercise (full squat) and will be monitored with a linear encoder.
The experiment will consist of between 3 to 6 sets between 70% to 85% of 1RM in the full squat exercise.
Two main groups will form the intervention: one group will perform inter-set repetitions until there will be a 20% of velocity loss compared to the first repetition, while the second group will have a 40% of velocity loss.
Aperçu de l'étude
Statut
Inconnue
Les conditions
Intervention / Traitement
Description détaillée
The main dependent variables and instruments will be:
- Tensyomiography: neuromuscular properties of the vastus lateral (VL), rectus femoris (RF) and vastus medialis (VM) from the dominant leg.
- Force platform: kinetic variables in relation to a countermovement jump.
- Near-infrared spectrography: oxygen saturation in the VL and VM.
- Termographic camera: low limbs temperatura.
- Linear encoder: mean propulsive velocity from each repetition
- Electromyography: amplitude and frequency parameters related to a knee extension maximum voluntary contraction test.
- Strain gauge: maximum isometric force.
Type d'étude
Interventionnel
Inscription (Anticipé)
30
Phase
- N'est pas applicable
Contacts et emplacements
Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.
Critères de participation
Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.
Critère d'éligibilité
Âges éligibles pour étudier
18 ans à 30 ans (Adulte)
Accepte les volontaires sains
Oui
Sexes éligibles pour l'étude
Homme
La description
Inclusion Criteria:
- To be healthy
- Without injuries or actual illnesses
- More than 2 years of experience in resistance training or federative sports
Exclusion Criteria:
- To be sick or injured
- To have programmed during the intervention phase a dramatic change in the lifestyle
Plan d'étude
Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Autre
- Répartition: Randomisé
- Modèle interventionnel: Affectation croisée
- Masquage: Seul
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: 20% velocity loss
This group will train with a variable number of repetitions during each set.
The group will stop the set once the mean propulsive velocity will be 20% less compared to the first repetition.
|
In a crossover design, participants will be randomized to perform on Day 1, 3 sets of repetitions (depending on each treatment group) at 70% or 1RM in the full squat exercise.
48-h later, same will be performed but in the contrary crossover arm.
In a randomized control trial, participants will train during 6 weeks the full squat exercise, 2 days in the week (minimum between-days rest of 48h).
Intensity will vary from 70% to 85 of 1RM, and training volume from 3 to 6 sets.
Prior to any intervention, all participants will perform a familiarization of the exercise session, together with a progressive resistance test to estimate the 1 RM
|
|
Expérimental: 40% velocity loss
This group will train with a variable number of repetitions during each set.
The group will stop the set once the mean propulsive velocity will be 40% less compared to the first repetition.
|
In a crossover design, participants will be randomized to perform on Day 1, 3 sets of repetitions (depending on each treatment group) at 70% or 1RM in the full squat exercise.
48-h later, same will be performed but in the contrary crossover arm.
In a randomized control trial, participants will train during 6 weeks the full squat exercise, 2 days in the week (minimum between-days rest of 48h).
Intensity will vary from 70% to 85 of 1RM, and training volume from 3 to 6 sets.
Prior to any intervention, all participants will perform a familiarization of the exercise session, together with a progressive resistance test to estimate the 1 RM
|
|
Comparateur placebo: Control group
This group will be just tested as a control group.
|
In a randomized control trial, participants will train during 6 weeks the full squat exercise, 2 days in the week (minimum between-days rest of 48h).
Intensity will vary from 70% to 85 of 1RM, and training volume from 3 to 6 sets.
Prior to any intervention, all participants will perform a familiarization of the exercise session, together with a progressive resistance test to estimate the 1 RM
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Contraction time
Délai: 7 weeks
|
Time between 10% to 90% on the displacement-time curve assessed with the Tensiomiograhpy
|
7 weeks
|
|
Maximum displacement
Délai: 7 weeks
|
Maximum displacement point the displacement-time curve assessed with the Tensiomiograhpy
|
7 weeks
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Kinetic variables in the jump
Délai: 7 weeks
|
Kinetic variables related to the force-time curve registered with the force platform during jumps
|
7 weeks
|
|
Muscle tissue oxygen
Délai: 7 weeks
|
Oxygen in the muscle tissue assessed via near-infrared spectroscopy
|
7 weeks
|
|
Muscle temperature
Délai: 7 weeks
|
Low limb muscles temperature assessed with a termographic camera
|
7 weeks
|
|
Mean propulsive velocity
Délai: 7 weeks
|
Individual repetitions mean propulsive velocity during the full squat exercise, assessed with a linear encoder
|
7 weeks
|
|
Amplitude (RMS) and frequency outputs
Délai: 7 weeks
|
Muscle electrical activity assessed with an EMG
|
7 weeks
|
|
Peak isometric force
Délai: 7 weeks
|
Maximum force achieved during a knee extension at 120º
|
7 weeks
|
Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Parrainer
Les enquêteurs
- Directeur d'études: Alejandro Muñoz López, PhD, Internship
- Chercheur principal: Jesus Gustavo Ponce, PhD, Professor
Publications et liens utiles
La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.
Publications générales
- de Paula Simola RA, Harms N, Raeder C, Kellmann M, Meyer T, Pfeiffer M, Ferrauti A. Assessment of neuromuscular function after different strength training protocols using tensiomyography. J Strength Cond Res. 2015 May;29(5):1339-48. doi: 10.1519/JSC.0000000000000768.
- Pareja-Blanco F, Rodriguez-Rosell D, Sanchez-Medina L, Ribas-Serna J, Lopez-Lopez C, Mora-Custodio R, Yanez-Garcia JM, Gonzalez-Badillo JJ. Acute and delayed response to resistance exercise leading or not leading to muscle failure. Clin Physiol Funct Imaging. 2017 Nov;37(6):630-639. doi: 10.1111/cpf.12348. Epub 2016 Mar 11.
- Pareja-Blanco F, Rodriguez-Rosell D, Sanchez-Medina L, Sanchis-Moysi J, Dorado C, Mora-Custodio R, Yanez-Garcia JM, Morales-Alamo D, Perez-Suarez I, Calbet JAL, Gonzalez-Badillo JJ. Effects of velocity loss during resistance training on athletic performance, strength gains and muscle adaptations. Scand J Med Sci Sports. 2017 Jul;27(7):724-735. doi: 10.1111/sms.12678. Epub 2016 Mar 31.
- Moran-Navarro R, Martinez-Cava A, Sanchez-Medina L, Mora-Rodriguez R, Gonzalez-Badillo JJ, Pallares JG. Movement Velocity as a Measure of Level of Effort During Resistance Exercise. J Strength Cond Res. 2019 Jun;33(6):1496-1504. doi: 10.1519/JSC.0000000000002017.
- Sanchez-Medina L, Pallares JG, Perez CE, Moran-Navarro R, Gonzalez-Badillo JJ. Estimation of Relative Load From Bar Velocity in the Full Back Squat Exercise. Sports Med Int Open. 2017 Mar 28;1(2):E80-E88. doi: 10.1055/s-0043-102933. eCollection 2017 Feb. German.
- Gonzalez-Badillo JJ, Yanez-Garcia JM, Mora-Custodio R, Rodriguez-Rosell D. Velocity Loss as a Variable for Monitoring Resistance Exercise. Int J Sports Med. 2017 Mar;38(3):217-225. doi: 10.1055/s-0042-120324. Epub 2017 Feb 13.
- Rodriguez-Rosell D, Yanez-Garcia JM, Torres-Torrelo J, Mora-Custodio R, Marques MC, Gonzalez-Badillo JJ. Effort Index as a Novel Variable for Monitoring the Level of Effort During Resistance Exercises. J Strength Cond Res. 2018 Aug;32(8):2139-2153. doi: 10.1519/JSC.0000000000002629.
- Franz A, Behringer M, Harmsen JF, Mayer C, Krauspe R, Zilkens C, Schumann M. Ischemic Preconditioning Blunts Muscle Damage Responses Induced by Eccentric Exercise. Med Sci Sports Exerc. 2018 Jan;50(1):109-115. doi: 10.1249/MSS.0000000000001406.
- Rusu LD, Cosma GG, Cernaianu SM, Marin MN, Rusu PF, Ciocanescu DP, Neferu FN. Tensiomyography method used for neuromuscular assessment of muscle training. J Neuroeng Rehabil. 2013 Jul 3;10:67. doi: 10.1186/1743-0003-10-67.
- Gutierrez-Vargas R, Martin-Rodriguez S, Sanchez-Urena B, Rodriguez-Montero A, Salas-Cabrera J, Gutierrez-Vargas JC, Simunic B, Rojas-Valverde D. Biochemical and Muscle Mechanical Postmarathon Changes in Hot and Humid Conditions. J Strength Cond Res. 2020 Mar;34(3):847-856. doi: 10.1519/JSC.0000000000002746.
- Wiewelhove T, Raeder C, de Paula Simola RA, Schneider C, Doweling A, Ferrauti A. Tensiomyographic Markers Are Not Sensitive for Monitoring Muscle Fatigue in Elite Youth Athletes: A Pilot Study. Front Physiol. 2017 Jun 16;8:406. doi: 10.3389/fphys.2017.00406. eCollection 2017.
- Piqueras-Sanchiz F, Martin-Rodriguez S, Martinez-Aranda LM, Lopes TR, Raya-Gonzalez J, Garcia-Garcia O, Nakamura FY. Effects of moderate vs. high iso-inertial loads on power, velocity, work and hamstring contractile function after flywheel resistance exercise. PLoS One. 2019 Feb 7;14(2):e0211700. doi: 10.1371/journal.pone.0211700. eCollection 2019. Erratum In: PLoS One. 2019 Apr 12;14(4):e0215567.
- Macgregor LJ, Hunter AM, Orizio C, Fairweather MM, Ditroilo M. Assessment of Skeletal Muscle Contractile Properties by Radial Displacement: The Case for Tensiomyography. Sports Med. 2018 Jul;48(7):1607-1620. doi: 10.1007/s40279-018-0912-6.
- Raeder C, Wiewelhove T, Simola RA, Kellmann M, Meyer T, Pfeiffer M, Ferrauti A. Assessment of Fatigue and Recovery in Male and Female Athletes After 6 Days of Intensified Strength Training. J Strength Cond Res. 2016 Dec;30(12):3412-3427. doi: 10.1519/JSC.0000000000001427.
- Giovanelli N, Taboga P, Rejc E, Simunic B, Antonutto G, Lazzer S. Effects of an Uphill Marathon on Running Mechanics and Lower-Limb Muscle Fatigue. Int J Sports Physiol Perform. 2016 May;11(4):522-9. doi: 10.1123/ijspp.2014-0602. Epub 2015 Sep 21.
Dates d'enregistrement des études
Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.
Dates principales de l'étude
Début de l'étude (Anticipé)
1 juillet 2019
Achèvement primaire (Anticipé)
30 août 2019
Achèvement de l'étude (Anticipé)
15 septembre 2019
Dates d'inscription aux études
Première soumission
23 mai 2019
Première soumission répondant aux critères de contrôle qualité
23 mai 2019
Première publication (Réel)
28 mai 2019
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
29 mai 2019
Dernière mise à jour soumise répondant aux critères de contrôle qualité
24 mai 2019
Dernière vérification
1 mai 2019
Plus d'information
Termes liés à cette étude
Autres numéros d'identification d'étude
- TMG_velocity_lost
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
NON
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
Non
Étudie un produit d'appareil réglementé par la FDA américaine
Non
Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .