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Pelvic Floor Muscle Training and Neuromuscular Performance in Women's Rugby

6. August 2026 aktualisiert von: Javier Courel Ibáñez, Universidad de Granada

This randomized controlled trial will evaluate whether a rugby-tailored pelvic floor muscle training programme reduces urinary incontinence symptoms and influences neuromuscular performance in professional and semi-professional women rugby players. A total of 48 players aged 18 to 45 years with self-reported urinary incontinence will be randomly assigned in a 1:1 ratio to the pelvic floor muscle training group or a control group.

The intervention group will complete an individualized, remotely supervised programme integrating pelvic floor muscle contractions, breathing and postural coordination, the "Knack" technique, progressive functional exercises, and rugby-relevant movement tasks. The control group will continue usual rugby training without study pelvic floor muscle training during the intervention period.

Outcomes will be measured at baseline and immediately after the intervention. The primary outcome is change in urinary incontinence severity measured with the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-UI SF). Secondary outcomes include broader pelvic floor symptom screening, jump performance, maximal isometric lower-limb force, reactive strength, and programme adherence.

Studienübersicht

Status

Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Urinary incontinence is common in women athletes and may affect training participation, confidence, concentration, and sporting performance. Rugby exposes athletes to repeated impacts, rapid decelerations, collisions, and high trunk and intra-abdominal pressure demands. Conventional pelvic floor muscle training may not fully reflect these sport-specific demands.

This study is a two-arm, parallel-group randomized controlled trial. Eligible participants will be randomized in a 1:1 ratio using a computer-generated sequence prepared by an independent researcher. Allocation will be concealed using sealed, opaque envelopes.

Participants allocated to the intervention will complete a rugby-tailored pelvic floor muscle training programme delivered remotely by certified pelvic health physiotherapists and sport scientists. The programme includes education, breathing and posture coordination, pelvic floor contractions in different positions, pre-activation before high-impact tasks ("the Knack"), progressive functional strength and landing tasks, technique correction, and individualized progression. Participants will continue their usual rugby training. Control participants will continue usual rugby training and will not complete the study exercise programme during the intervention period. After post-intervention assessment, control participants will be offered the programme materials and a remote advisory session.

Assessments will combine self-reported pelvic floor outcomes with force-plate measures. The ICIQ-UI SF and Pelvic Floor Dysfunction Screening Tool (PFD-SENTINEL) will be completed at baseline and post-intervention. Neuromuscular testing will include countermovement jumps, an isometric strength test, and a reactive jump assessment. Adherence will be monitored using participant records, physiotherapist logs, and remote-session attendance. The principal analysis will compare changes over time between groups using a mixed-effects model or equivalent repeated-measures approach, with sensitivity analyses adjusted for baseline outcome values and relevant participant and training characteristics.

Studientyp

Interventionell

Einschreibung (Geschätzt)

48

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

  • Name: Javier Courel-Ibáñez, PhD
  • Telefonnummer: +34952 69 87 00
  • E-Mail: courel@ugr.es

Studienorte

      • Granada, Spanien, 18071
        • Rekrutierung
        • Faculty of Sport Sciences, University of Granada
        • Kontakt:
          • Javier Courel-Ibáñez, PhD
          • Telefonnummer: +34952 69 87 00

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene

Akzeptiert gesunde Freiwillige

Ja

Beschreibung

Inclusion Criteria:

  • Female rugby player aged 18 to 45 years.
  • Competing at professional or semi-professional level.
  • Currently participating in an active rugby training and competition schedule.
  • Self-reported urinary leakage during the previous four weeks, an ICIQ-UI SF total score ≥3, and reported leakage during physical activity/exercise, coughing or sneezing on the self-diagnostic item.
  • Able to understand the study procedures and provide written informed consent.

Exclusion Criteria:

  • Pregnant at the time of enrolment.
  • Childbirth within the previous 12 months.
  • Previous pelvic surgery.
  • Significant musculoskeletal injury during the previous 6 months, defined as any injury that prevented full participation in rugby training or competition for ≥7 consecutive days, or that could compromise the safe completion of study assessments.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Verdreifachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Rugby-Tailored Pelvic Floor Muscle Training Programme
Participants will continue usual rugby training and complete the remotely supervised rugby-tailored pelvic floor muscle training programme. The intervention includes pelvic floor and deep abdominal muscle coordination, breathing and posture exercises, progressive contractions in different positions, the "Knack" before impact-related tasks, functional strength and landing exercises, individualized progression, and remote technique feedback.

The intervention is an individualized, remotely delivered pelvic floor training programme designed for women rugby players. It combines: (1) pelvic floor muscle awareness, activation, and complete relaxation; (2) coordination with the transversus abdominis, breathing, and posture; (3) progressive pelvic floor contractions in lying, quadruped, standing, and dynamic positions; (4) the "Knack," involving pelvic floor pre-activation before impact or high-pressure tasks; (5) progressive rugby-relevant functional tasks such as squatting, jumping, landing, and repeated impact preparation; and (6) individualized feedback from certified pelvic health physiotherapists.

Dose: 8 weeks, with 3 sessions per week. Adherence is monitored using participant self-reports, physiotherapist records, and remote-session attendance.

Kein Eingriff: Control
Participants will continue their usual rugby training and will not complete the study pelvic floor muscle exercise programme during the intervention period. After post-intervention assessment, they will be offered access to the programme materials and one remote advisory session with a pelvic health physiotherapist.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-SF) total score
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Urinary incontinence symptom severity will be assessed using the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form (ICIQ-SF). The questionnaire contains three scored items assessing urinary-leakage frequency, amount of leakage and interference with everyday life. The total score ranges from 0 to 21 points, with higher scores indicating greater urinary incontinence severity and impact and therefore a worse outcome. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement. The primary endpoint will be the between-group difference in change from baseline to 8 weeks.
Baseline and immediately after the intervention (8 weeks)

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in Pelvic Floor Dysfunction Screening Tool in Female Athletes (PFD-SENTINEL) symptom count
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Pelvic floor dysfunction symptoms will be assessed using the Pelvic Floor Dysfunction Screening Tool in Female Athletes, known as PFD-SENTINEL. The instrument includes five binary pelvic floor symptom indicators. A study-defined symptom count will be calculated by summing the number of symptoms reported, producing a score from 0 to 5. Higher scores indicate a greater number of pelvic floor dysfunction symptom categories and therefore a worse outcome. A count of at least one symptom meets the PFD-SENTINEL criterion for direct referral to a pelvic floor specialist. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement.
Baseline and immediately after the intervention (8 weeks)
Change in Pelvic Floor Dysfunction Screening Tool in Female Athletes (PFD-SENTINEL) risk, clinical and sport-related item count
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Risk factors and clinical and sport-related characteristics will be assessed using the Pelvic Floor Dysfunction Screening Tool in Female Athletes, known as PFD-SENTINEL. The instrument contains 28 binary risk, clinical and sport-related items. A study-defined item count will be calculated by summing the number of items reported, producing a score from 0 to 28. Higher scores indicate a greater number of characteristics associated with potential pelvic floor dysfunction and therefore a worse outcome. A count of 14 or more items meets the PFD-SENTINEL criterion for direct referral to a pelvic floor specialist. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement.
Baseline and immediately after the intervention (8 weeks)
Change in countermovement jump height
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Countermovement jump height will be assessed using a force plate. Participants will perform three maximal countermovement jumps with their hands maintained on their hips. Jump height will be recorded in centimetres. Higher values indicate greater vertical jump performance and therefore a better outcome. The highest value obtained from the three valid trials will be used for analysis.
Baseline and immediately after the intervention (8 weeks)
Change in maximal isometric squat peak force
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Lower-body maximal isometric strength will be assessed using a force plate during three maximal isometric squat trials performed at a knee angle of approximately 110 degrees. Peak force will be recorded in newtons. Higher values indicate greater maximal isometric strength and therefore a better outcome. The highest peak-force value obtained from the three valid trials will be used for analysis.
Baseline and immediately after the intervention (8 weeks)
Change in Reactive Strength Index during the countermovement rebound jump
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Reactive jump performance will be assessed using a force plate during three maximal countermovement rebound jump trials performed with the hands maintained on the hips. Reactive Strength Index will be calculated as rebound jump height in metres divided by ground contact time in seconds and will be expressed in metres per second. Higher values indicate greater reactive jump performance and therefore a better outcome. The highest Reactive Strength Index obtained from the three valid trials will be used for analysis.
Baseline and immediately after the intervention (8 weeks)
Change in self-reported amount of urinary leakage during the countermovement jump test
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Immediately after completing the three countermovement jump trials, participants will report the amount of urinary leakage experienced during the test using the response categories from the amount-of-leakage item of the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form. The item is scored as 0 = no leakage, 2 = a small amount, 4 = a moderate amount, and 6 = a large amount. Possible scores range from 0 to 6, with higher scores indicating a greater amount of urinary leakage and therefore a worse outcome. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement.
Baseline and immediately after the intervention (8 weeks)
Change in self-reported amount of urinary leakage during the isometric squat test
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Immediately after completing the three maximal isometric squat trials performed at a knee angle of approximately 110 degrees, participants will report the amount of urinary leakage experienced during the test using the response categories from the amount-of-leakage item of the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form. The item is scored as 0 = no leakage, 2 = a small amount, 4 = a moderate amount, and 6 = a large amount. Possible scores range from 0 to 6, with higher scores indicating a greater amount of urinary leakage and therefore a worse outcome. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement.
Baseline and immediately after the intervention (8 weeks)
Change in self-reported amount of urinary leakage during the countermovement rebound jump test
Zeitfenster: Baseline and immediately after the intervention (8 weeks)
Immediately after completing the three countermovement rebound jump trials, participants will report the amount of urinary leakage experienced during the test using the response categories from the amount-of-leakage item of the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form. The item is scored as 0 = no leakage, 2 = a small amount, 4 = a moderate amount, and 6 = a large amount. Possible scores range from 0 to 6, with higher scores indicating a greater amount of urinary leakage and therefore a worse outcome. Change will be calculated as the score at 8 weeks minus the baseline score; a negative change indicates improvement.
Baseline and immediately after the intervention (8 weeks)
Adherence to the pelvic floor muscle training programme
Zeitfenster: Adherence will be summarized as the percentage of prescribed home-training sessions completed, based on weekly participant self-reports.
Throughout the intervention period (weeks 1-8)
Adherence will be summarized as the percentage of prescribed home-training sessions completed, based on weekly participant self-reports.

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Mitarbeiter

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. September 2026

Primärer Abschluss (Geschätzt)

1. Dezember 2026

Studienabschluss (Geschätzt)

1. Dezember 2026

Studienanmeldedaten

Zuerst eingereicht

2. August 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

6. August 2026

Zuerst gepostet (Tatsächlich)

11. August 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

11. August 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

6. August 2026

Zuletzt verifiziert

1. August 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • G-2504-06806

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

There is no current plan to share de-identified individual participant data with researchers outside the primary study team. The study protocol and participant consent procedures did not prospectively establish a mechanism for external IPD sharing. Study findings will be disseminated through aggregate analyses in peer-reviewed publications, research reports, and scientific presentations.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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