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Effects of a Single Bout of Resistance Training Session on Hormonal Response in Pre-pubertal and Pubertal Boys

20 agosto 2021 aggiornato da: Apostolos Theos, Umeå University

: Resistance training induces strength gains in both children and adolescents. Exercise training is linked to anabolic functions through the GH-IGF-I axis. This has been demonstrated in studies showing a higher activity of GH and IGF-I in fitter adolescents and adults. Exercise also stimulates pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) that suppress the GH-IGF-I axis. This has been observed in endurance-type training, while resistance training has received less attention.

Boys experience a significant physiological muscle-growth change during puberty that is associated with increases in boys androgen levels. How maturation affects the hormonal response to resistance training in boys is unclear. Therefore, the purpose of the study is to compare the acute effects of a single bout of resistance training on hormones and pro-inflammatory cytokines in pre-pubertal and pubertal boys.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Preliminary measurements:

Preliminary testing will include anthropometric measurements of body mass, height, body fat percentage, and lean leg volume (LLV). The maturation stage will be determined according to the Tanner scale. There will also be an assessment of maximal strength testing to determine exercise intensity for each individual. Two familiarization sessions will be conducted for muscular strength before the muscular strength testing session.

Main trial A venous blood sample will be collected pre-exercise at resting condition. The trial will start with a standardized warm-up followed by a short (20-30 min), high-intensity whole-body resistance training session. Venous blood samples will be collected immediately after the completion of the training session and during the recovery period.

Tipo di studio

Interventistico

Iscrizione (Anticipato)

40

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

  • Svezia
    • Västerbotten
      • Umeå, Västerbotten, Svezia, 901 87
        • Umeå Movement and Exercise Laboratory, Umeå University
        • Contatto:
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 9 anni a 17 anni (Bambino)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Maschio

Descrizione

Inclusion Criteria:

  • Healthy boys (n=40)
  • Physically active, defined as a minimum of 2 years experience in a sports club
  • Biological age range: 20 pre-pubertal (Tanner I-II) - 20 pubertal (Tanner III-IV) boys
  • No previous experience of structured resistance training

Exclusion Criteria:

  • Chronic diseases that affect full participation
  • Injuries that limit full participation

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Altro
  • Assegnazione: Non randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Resistance Training Session
Resistance training. Heavy resistance training. 10 reps x 3 set of upper- and lower-body resistance exercises
Altro: Resistance Training
Both groups will perform a resistance training session consisted of 10 reps x 3 set of upper- and lower-body resistance exercises.
Nessun intervento: Control
Control activity. None-exercising. 30 min of rest

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Growth Hormone Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood Concentration of Growth Hormone
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Growth Hormone Post exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood Concentration of Growth Hormone
Right after the completion of the exercise intervention (Post values)
Change from Baseline Growth Hormone 15 minutes post exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood Concentration of Growth Hormone
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Growth Hormone 30 minutes post exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood Concentration of Growth Hormone
30 minutes after the completion of the exercise intervention (Post-30 values)
Insulin-like Growth Factor-1 Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Insulin-like Growth Factor-1
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Insulin-like Growth Factor-1 Post exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Insulin-like Growth Factor-1
Right after the completion of the exercise intervention (Post values)
Change from Baseline Insulin-like Growth Factor-1 15 minutes Post exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Insulin-like Growth Factor-1
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Insulin-like Growth Factor-1 30 minutes Post exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Insulin-like Growth Factor-1
30 minutes after the completion of the exercise intervention (Post-30 values)

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Cortisol Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Cortisol
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Cortisol Post exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Cortisol
Right after the completion of the exercise intervention (Post values)
Change from Baseline Cortisol 15 minutes Post exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Cortisol
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Cortisol 30 minutes Post exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Cortisol
30 minutes after the completion of the exercise intervention (Post-30 values)
Testosterone Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of testosterone
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Testosterone Post Exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of testosterone
Right after the completion of the exercise intervention (Post values)
Change from Baseline Testosterone 15 minutes Post Exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of testosterone
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Testosterone 30 minutes Post Exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of testosterone
30 minutes after the completion of the exercise intervention (Post-30 values)
Interleukin-6 Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Interleukin-6
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Interleukin-6 Post Exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Interleukin-6
Right after the completion of the exercise intervention (Post values)
Change from Baseline Interleukin-6 15 minutes Post Exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Interleukin-6
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Interleukin-6 30 minutes Post Exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Interleukin-6
30 minutes after the completion of the exercise intervention (Post-30 values)
Interleukin-1 alpha Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Interleukin-1 alpha
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Interleukin-1 alpha Post Exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Interleukin-1 alpha
Right after the completion of the exercise intervention (Post values)
Change from Baseline Interleukin-1 alpha 15 minutes Post Exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Interleukin-1 alpha
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Interleukin-1 alpha 30 minutes Post Exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Interleukin-1 alpha
30 minutes after the completion of the exercise intervention (Post-30 values)
Tumor Necrosis Factor alpha Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Tumor Necrosis Factor alpha
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Tumor Necrosis Factor alpha Post Exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Tumor Necrosis Factor alpha
Right after the completion of the exercise intervention (Post values)
Change from Baseline Tumor Necrosis Factor alpha 15 minutes Post Exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Tumor Necrosis Factor alpha
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Tumor Necrosis Factor alpha 30 minutes Post Exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Tumor Necrosis Factor alpha
30 minutes after the completion of the exercise intervention (Post-30 values)
Sex Hormone Binding Globulin Baseline
Lasso di tempo: Baseline testing before the exercise intervention (Pre values)
Blood concentration of Sex Hormone Binding Globulin
Baseline testing before the exercise intervention (Pre values)
Change from Baseline Baseline Sex Hormone Binding Post Exercise
Lasso di tempo: Right after the completion of the exercise intervention (Post values)
Blood concentration of Sex Hormone Binding Globulin
Right after the completion of the exercise intervention (Post values)
Change from Baseline Baseline Sex Hormone Binding 15 minutes Post Exercise
Lasso di tempo: 15 minutes after the completion of the exercise intervention (Post-15 values)
Blood concentration of Sex Hormone Binding Globulin
15 minutes after the completion of the exercise intervention (Post-15 values)
Change from Baseline Sex Hormone Binding Globulin 30 minutes Post Exercise
Lasso di tempo: 30 minutes after the completion of the exercise intervention (Post-30 values)
Blood concentration of Sex Hormone Binding Globulin
30 minutes after the completion of the exercise intervention (Post-30 values)

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Umeå University

Investigatori

  • Investigatore principale: Apostolos Theos, PhD, Umeå University

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Anticipato)

1 settembre 2021

Completamento primario (Anticipato)

1 dicembre 2021

Completamento dello studio (Anticipato)

1 marzo 2022

Date di iscrizione allo studio

Primo inviato

11 giugno 2021

Primo inviato che soddisfa i criteri di controllo qualità

20 agosto 2021

Primo Inserito (Effettivo)

26 agosto 2021

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

26 agosto 2021

Ultimo aggiornamento inviato che soddisfa i criteri QC

20 agosto 2021

Ultimo verificato

1 agosto 2021

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • 2020-03179

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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