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Core Strength Training, Anthropometry, and Postural Control in Youth Optimist Sailors

31 agosto 2026 aggiornato da: Anna Antonia Valenzano, University of Foggia

Core Strength Training Influences Anthropometric Profile And Postural Control In Optimist Sailors

Optimist dinghy sailing is a highly demanding youth watersport characterized by prolonged, high-intensity isometric hiking postures and rapid dynamic weight shifts required to preserve boat trim, balance, and sail power output. The core (lumbar-pelvic-hip complex) functions as the central dynamic link in transferring kinetic forces between the lower limbs and trunk during continuous open-water maneuvers. This study is designed as a 12-week randomized controlled interventional trial to evaluate the effects of a periodized, circuit-based Core Strength Training (CST) program integrated into routine Technical Sailing Training (TST) compared to TST alone. Primary endpoints evaluate adaptations in the anthropometric profile (skinfold thickness, circumferences, muscle mass percentage) and postural control parameters (Center of Pressure displacement and sway velocity measured via computerized force platform posturography) in competitive youth Optimist sailors.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

During upwind sailing ("hiking"), Optimist sailors suspend their torso over the windward gunwale, secured only by foot straps over their feet and ankles. This exertion demands sustained isometric contractions of the anterior core, rectus abdominis, quadriceps, and pelvic stabilisers. Inadequate core muscle endurance and deficient postural control compromise boat handling efficiency, accelerate central and peripheral fatigue, and elevate the risk of chronic lower back disorders in young athletes.

Participants will be randomly assigned (1:1 ratio) to either:

Experimental Group (CST+TST): Participating in a 12-week standardized CST program (3 sessions per week) in addition to regular Technical Sailing Training (TST).

Active Control Group (TST Alone): Participating exclusively in the standardized Technical Sailing Training (TST) program (3-4 hours per session, 3 sessions per week).

The CST program progresses systematically across four 2-week meso-blocks, transitioning from foundational bodyweight stability (Weeks 1-6) to advanced dynamic overload and multi-planar surface instability using small fitness tools (Weeks 7-12), such as fit balls, dumbbells, weight discs, resistance bands, Bosu balance trainers, TRX suspension straps, kettlebells, and ankle/wrist weights.

Tipo di studio

Interventistico

Iscrizione (Stimato)

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

    • FG
      • Foggia, FG, Italia, 71122
        • Outdoor Open-Water Sailing Facility & High-Performance Athletic Training Center
        • 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

  • Bambino

Accetta volontari sani

Sì

Descrizione

Inclusion Criteria:

  • Active competitive youth Optimist class dinghy sailors aged between 8 and 15 years.
  • Minimum of 2 consecutive years of continuous competitive sailing experience registered with a recognized national sailing federation or licensed sailing club.
  • Regular participation in a minimum of 3 technical sailing sessions per week.
  • Valid sports medical clearance certificate authorizing participation in competitive athletic training.
  • Signed written informed consent provided by parent(s) or legal guardian(s), accompanied by written informed assent from the participant.

Exclusion Criteria:

  • Acute or chronic musculoskeletal injuries affecting the spine, abdominal wall, lower limbs, or upper extremities within the preceding 6 months.
  • Concurrent participation in structured external core or strength training programs outside the trial protocol during the preceding 3 months.
  • Neurological, vestibular, or uncorrected visual impairments affecting balance, posturography, or postural control.
  • Training adherence rate below 85% of total prescribed sessions over the 12-week interventional period.

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: Prevenzione
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Experimental Group (CST+TST)
12-week standardized Core Strength Training (CST) program (3 sessions per week) integrated into routine Technical Sailing Training (TST).
12-week periodized, circuit-based core training (3 sessions/week, 8 stations, 3 sets, ~30 min/session) progressing from foundational bodyweight stability to dynamic overload and surface instability.
Standardized open-water technical sailing training (3-4 hours/session, 3 sessions/week) focusing on hiking postures, boat-handling drills, tactical training, and balance optimization.
Comparatore attivo: Active Control Group (TST Alone)
12-week standardized Technical Sailing Training (TST) program alone (3-4 hours per session, 3 sessions per week).
Standardized open-water technical sailing training (3-4 hours/session, 3 sessions/week) focusing on hiking postures, boat-handling drills, tactical training, and balance optimization.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Static Postural Control: Center of Pressure (CoP) Total Path Length Measured via Computerized Force Platform
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Total length of the Center of Pressure (CoP) path (expressed in millimeters) recorded during static standing posturography testing under open-eyes and closed-eyes conditions.
Baseline (Week 0) and Post-Intervention (Week 12)
Static Postural Control: Center of Pressure (CoP) Mean Velocity Measured via Computerized Force Platform
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Mean velocity of Center of Pressure (CoP) displacement (expressed in millimeters per second) recorded during static standing posturography under open-eyes and closed-eyes conditions.
Baseline (Week 0) and Post-Intervention (Week 12)
Static Postural Control: Center of Pressure (CoP) 95% Confidence Ellipse Area Measured via Computerized Force Platform
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Surface area of the 95% confidence ellipse of CoP sway (expressed in square millimeters) recorded during static standing posturography.
Baseline (Week 0) and Post-Intervention (Week 12)
Dynamic Postural Control: Center of Pressure (CoP) Sway Velocity Measured via Computerized Force Platform
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Center of Pressure (CoP) mean sway velocity (expressed in millimeters per second) measured during dynamic unstable platform oscillations and unipedal stance.
Baseline (Week 0) and Post-Intervention (Week 12)
Skinfold Thickness Sum Measured via Skinfold Caliper
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Sum of skinfold thickness measurements (expressed in millimeters) taken at four sites: triceps, subscapular, suprailiac, and abdominal.
Baseline (Week 0) and Post-Intervention (Week 12)
Muscle Mass Percentage Measured via Anthropometric Assessment
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Percentage of total body muscle mass (expressed as % of total body mass) calculated from anthropometric equations.
Baseline (Week 0) and Post-Intervention (Week 12)
Body Fat Mass Percentage Measured via Anthropometric Assessment
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Percentage of total body fat mass (expressed as % of total body mass) calculated from skinfold thickness measurements.
Baseline (Week 0) and Post-Intervention (Week 12)
Waist Circumference Measured via Anthropometric Tape
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Trunk abdominal waist circumference (expressed in centimeters) measured with a flexible metric tape.
Baseline (Week 0) and Post-Intervention (Week 12)

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Core Muscle Endurance
Lasso di tempo: Baseline (Week 0), Mid-Point (Week 6), and Post-Intervention (Week 12)
McGill Protocol Battery: Flexor Endurance Test, Biering-Sørensen Extensor Test, Right & Left Side Bridge Tests measured in seconds.
Baseline (Week 0), Mid-Point (Week 6), and Post-Intervention (Week 12)
Dynamic Balance
Lasso di tempo: Baseline (Week 0) and Post-Intervention (Week 12)
Y-Balance Test / Star Excursion Balance Test (SEBT) normalized reach distances (% leg length).
Baseline (Week 0) and Post-Intervention (Week 12)

Collaboratori e investigatori

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

Sponsor

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 (Stimato)

1 settembre 2026

Completamento primario (Stimato)

1 dicembre 2026

Completamento dello studio (Stimato)

1 gennaio 2027

Date di iscrizione allo studio

Primo inviato

27 agosto 2026

Primo inviato che soddisfa i criteri di controllo qualità

31 agosto 2026

Primo Inserito (Effettivo)

3 settembre 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

3 settembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

31 agosto 2026

Ultimo verificato

1 agosto 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • CST-OPT-2026-01

Piano per i dati dei singoli partecipanti (IPD)

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

SÌ

Descrizione del piano IPD

De-identified individual participant data (anthropometric and posturographic parameters) will be available upon reasonable request to the corresponding author for research purposes.

Periodo di condivisione IPD

Data will be available starting 6 months following publication for up to 3 years.

Criteri di accesso alla condivisione IPD

Researchers whose proposed use of the data has been approved by an independent review committee.

Tipo di informazioni di supporto alla condivisione IPD

  • STUDIO_PROTOCOLLO
  • LINFA
  • ICF
  • CODICE_ANALITICO
  • RSI

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 .