Urinary ContinenceTRAMNCT07183800
Trampoline-Induced Changes in Pelvic Structure and Continence
An observational study of Urinary Continence and Urinary Incontinence, run by University of Ottawa at 1 site in Canada.
Trial summary
The goal of this clinical trial is to evaluate whether a short bout of high-intensity trampoline jumping induces urinary leakage or measurable changes in pelvic floor morphology in active females aged 18-40 who do not report symptoms of urinary incontinence. Read more about this study
- Who is it for?
- Ages 18 to 40 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Urinary Continence, Urinary Incontinence, Urinary Incontinence (UI)
- What is being tested?
- Water
- How many people
- 30 participants
- Where
- 1 siteCanada
- Study dates
- 16 Jul 2025to 30 Apr 2026
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 40 years
- Women only
- Healthy volunteers accepted
- Adult
Study population: Participants will be recruited from the Ottawa region through local gyms, university facilities, and social media platforms. The study population includes recreationally active females aged 18-40 who engage in activities such as running or brisk walking and are willing to attend a single in-person session at the University of Ottawa's Motor Function Measurement Laboratory.
Who may be able to join
- Aged 18-40
- Engage in regular physical activity or sport
- Do not experience frequent urinary leakage (no more than once per month during exercise, coughing, or sneezing)
- Can complete a 10-minute jumping protocol
Who cannot join
- Currently pregnant or have been pregnant in the past 6 months
- Have cardiac, pulmonary, metabolic, and/or neurological conditions
- Have a lower body injury that limits your ability to jump
- Have had a hysterectomy and/or incontinence surgery
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Canada1 site, 1 recruiting
- Recruiting
University of Ottawa - Lees Campus
Ottawa, Ontario, K1S 5S9
Sabine Vesting, PhD, 613-562-5800 ext. 4102, svesting@uottawa.ca
Grace Collins, BSc, 613-562-5800 ext. 4102, gcollins@uottawa.ca
About this study
Official title: Does a 10-minute Trampoline Protocol Induce Urine Leakage or Changes in Pelvic Morphometry Among Females Who Report That They do Not Experience Symptoms of Urinary Incontinence?
The goal of this clinical trial is to evaluate whether a short bout of high-intensity trampoline jumping induces urinary leakage or measurable changes in pelvic floor morphology in active females aged 18-40 who do not report symptoms of urinary incontinence. The main questions it aims to answer are:
Hypothesis 1: Does a single 10-minute trampoline protocol result in acute changes in pelvic floor structure, including bladder neck position, levator plate length, and/or posterior urethrovesical angle (PUVA)?
Read more
Hypothesis 2: Do participants report any urinary leakage during the jumping protocol, despite being asymptomatic at baseline?
Hypothesis 3: Do pelvic morphology changes recover within 30 minutes post-jumping, or do alterations persist?
Researchers will perform within-subject comparisons at multiple time points (pre-jump, immediately post-jump, and 30 minutes post-jump) using transperineal ultrasound imaging to assess structural changes.
Participants will:
- Attend one laboratory visit
- Complete baseline pelvic health questionnaires (ICIQ-UI Short Form and PFD Sentinel).
- Undergo 2D transperineal ultrasound imaging in the standing position at rest, immediately post-jumping, and 30 minutes post-jumping.
- Perform a 10-minute high-intensity jumping protocol on a mini-trampoline, while heart rate and perceived exertion are monitored.
- Verbally report any urine leakage during jumping using standardized descriptors.
Read the detailed description
Urinary incontinence (UI) has traditionally been associated with postpartum or older women; however, growing evidence highlights its prevalence among young, physically active females - even in those without a history of pelvic floor dysfunction or childbirth. High-impact physical activities such as running, jumping, and trampolining have been shown to increase intra-abdominal pressure, placing acute mechanical stress on the pelvic floor and potentially contributing to urinary leakage. While the relationship between high-impact exercise and stress urinary incontinence (SUI) has been explored in terms of prevalence, less is known about the acute, real-time mechanical effects of impact loading on pelvic floor structures in asymptomatic individuals.
This study aims to investigate whether a 10-minute high-intensity trampoline protocol induces measurable changes in pelvic morphology - specifically in bladder neck position, levator plate length, and/or posterior urethrovesical angle (PUVA) - in physically active females aged 18-40 who do not report urinary incontinence symptoms. These anatomical parameters are indicators of pelvic floor support and dysfunction, and their change under load may signal early mechanical strain on the pelvic floor.
Participants will undergo a single study session involving a baseline transperineal ultrasound assessment, a 10-minute jumping bout, and follow-up ultrasound assessments immediately, and 30 minutes post-exercise. Urinary leakage is monitored during jumping via verbal self-report every 2 minutes, with descriptive classifications such as "drops," "squirt," or "gush." Jumping intensity is tracked using the Borg RPE scale and heart rate monitoring via Apple Watch, which has demonstrated acceptable validity for exercise heart rate tracking.
A repeated-measures design will be used to assess within-subject changes in pelvic morphology, with participants serving as their own control across time points. Data will be analyzed using repeated-measures ANOVA to determine statistically significant changes, with Cohen's d effect sizes calculated to assess magnitude of effect. Leakage data will be reported descriptively.
Ultimately, this study will generate foundational data on the immediate biomechanical response of the pelvic floor to high-impact activity. These findings may help identify early indicators of pelvic floor strain, even in women without symptomatic UI, and could inform future screening and prevention strategies for active female populations.
- Conditions
- Urinary Continence, Urinary Incontinence, Urinary Incontinence (UI), Urinary Incontinence , Stress
- Being tested
- Water
- Keywords
- stress urinary incontinence, pelvic floor, pelvic floor morphology, high impact exercise, urine leakage, urinary symptoms, levator plate, female athletes, bladder neck, posterior urethro-vesical angle, PUVA, jump, trampoline, high impact, high intensity, healthy female, incontinence, leakage, urinary leakage
- Medical subject headings
- Urinary Incontinence, Urinary Incontinence, Stress
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
WaterOther
Participants will undergo a standardized 10-minute high-intensity trampoline jumping protocol designed to elicit mechanical loading on the pelvic floor. Prior to the jumping session, bladder volume will be assessed via transabdominal ultrasound. If a participant's bladder contains less than 100 mL of urine, they will be asked to drink water and wait until a target range of 100-200 mL is reached to ensure consistent pre-jump bladder filling across participants. This approach minimizes variability in bladder volume, which could influence pelvic floor measurements.
| Study group | Role | What they receive |
|---|---|---|
| healthy young active females | 18-40yo active females with no self-reported urinary incontinence Receives: Other: Water |
What is being measured
The primary outcome is the main question the study is designed to answer.
Assessing whether a short-duration trampoline protocol induces urinary leakage in active females.
Urinary leakage is assessed via self-report during a 10-minute high-intensity trampoline jumping protocol. Every 2 minutes, participants are verbally prompted to report whether they experienced leakage, and to classify it using standardized descriptors ("drops," "squirt," or "gush"). Leakage severity is indexed based on the timing of first report, frequency of episodes, and qualitative volume descriptors. Descriptive statistics will be used to report the proportion of participants who leak, frequency of leakage, and severity profiles.
Measured: Urinary leakage is assessed during the 10-minute jumping protocol on the single lab visit.
Secondary outcomes (3)
Assessing whether a short-duration trampoline protocol induces acute changes in bladder neck morphology in active females.
Bladder neck morphology is measured at three time points (pre-jumping, immediately post-jumping, and 30 minutes post) using 2D transperineal ultrasound imaging. Repeated-measures ANOVA will be used to determine significant changes in bladder neck morphology across time points. Cohen's d effect sizes will be calculated to assess the magnitude of observed changes.
Measured: Bladder neck morphology outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Assessing whether a short-duration trampoline protocol induces acute changes in levator plate length in active females.
Levator plate length is measured at three time points (pre-jumping, immediately post-jumping, and 30 minutes post) using 2D transperineal ultrasound imaging. Repeated-measures ANOVA will be used to determine significant changes in levator plate length across time points. Cohen's d effect sizes will be calculated to assess the magnitude of observed changes.
Measured: Levator plate length outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Assessing whether a short-duration trampoline protocol induces acute changes in the posterior urethrovesicle angle (PUVA) in active females.
The posterior urethrovesicle angle (PUVA) is measured at three time points (pre-jumping, immediately post-jumping, and 30 minutes post) using 2D transperineal ultrasound imaging. Repeated-measures ANOVA will be used to determine significant changes in the PUVA across time points. Cohen's d effect sizes will be calculated to assess the magnitude of observed changes.
Measured: Posterior urethrovesicle angle (PUVA) outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted19 Sep 2025
- Study start16 Jul 2025
- Primary completion31 Dec 2025 (estimated)
- Study completion30 Apr 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (22)Papers the sponsor has linked to this study.
- Other trials for Urinary ContinenceStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Other
- Time perspective
- Cross-sectional
- Enrolment
- 30 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Ottawa
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Dr. Linda McLean, University of Ottawa
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07183800
- Sponsor's protocol ID
- H-05-25-11551
- Acronym
- TRAM
- Status last verified
- Jul 2025
- First submitted
- 12 Sep 2025
- Last updated
- 3 Oct 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Nygaard I, DeLancey JO, Arnsdorf L, Murphy E. Exercise and incontinence. Obstet Gynecol. 1990 May;75(5):848-51.
PubMed 2325968Zhao B, Wen L, Liu D, Huang S. Urethral configuration and mobility during urine leaking described using real-time transperineal ultrasonography. Ultrasonography. 2022 Jan;41(1):171-176. doi: 10.14366/usg.21058. Epub 2021 Jun 15.
PubMed 34399041Zhang Y, Weaver RG, Armstrong B, Burkart S, Zhang S, Beets MW. Validity of Wrist-Worn photoplethysmography devices to measure heart rate: A systematic review and meta-analysis. J Sports Sci. 2020 Sep;38(17):2021-2034. doi: 10.1080/02640414.2020.1767348. Epub 2020 Jun 19.
PubMed 32552580Youssef A, Montaguti E, Sanlorenzo O, Cariello L, Salsi G, Morganelli G, Azzarone C, Pilu G, Rizzo N. Reliability of new three-dimensional ultrasound technique for pelvic hiatal area measurement. Ultrasound Obstet Gynecol. 2016 May;47(5):629-35. doi: 10.1002/uog.14933. Epub 2016 Mar 29.
PubMed 26105710Weinstein MM, Jung SA, Pretorius DH, Nager CW, den Boer DJ, Mittal RK. The reliability of puborectalis muscle measurements with 3-dimensional ultrasound imaging. Am J Obstet Gynecol. 2007 Jul;197(1):68.e1-6. doi: 10.1016/j.ajog.2007.02.041.
PubMed 17618762Teixeira RV, Colla C, Sbruzzi G, Mallmann A, Paiva LL. Prevalence of urinary incontinence in female athletes: a systematic review with meta-analysis. Int Urogynecol J. 2018 Dec;29(12):1717-1725. doi: 10.1007/s00192-018-3651-1. Epub 2018 Apr 13.
PubMed 29654349Serdar CC, Cihan M, Yucel D, Serdar MA. Sample size, power and effect size revisited: simplified and practical approaches in pre-clinical, clinical and laboratory studies. Biochem Med (Zagreb). 2021 Feb 15;31(1):010502. doi: 10.11613/BM.2021.010502. Epub 2020 Dec 15.
PubMed 33380887Schnider P, Birner P, Gendo A, Ratheiser K, Auff E. Bladder volume determination: portable 3-D versus stationary 2-D ultrasound device. Arch Phys Med Rehabil. 2000 Jan;81(1):18-21. doi: 10.1016/s0003-9993(00)90215-6.
PubMed 10638870Scherr J, Wolfarth B, Christle JW, Pressler A, Wagenpfeil S, Halle M. Associations between Borg's rating of perceived exertion and physiological measures of exercise intensity. Eur J Appl Physiol. 2013 Jan;113(1):147-55. doi: 10.1007/s00421-012-2421-x. Epub 2012 May 22.
PubMed 22615009Schallom M, Prentice D, Sona C, Vyers K, Arroyo C, Wessman B, Ablordeppey E. Accuracy of Measuring Bladder Volumes With Ultrasound and Bladder Scanning. Am J Crit Care. 2020 Nov 1;29(6):458-467. doi: 10.4037/ajcc2020741.
PubMed 33130866Pires T, Pires P, Moreira H, Viana R. Prevalence of Urinary Incontinence in High-Impact Sport Athletes: A Systematic Review and Meta-Analysis. J Hum Kinet. 2020 Jul 21;73:279-288. doi: 10.2478/hukin-2020-0008. eCollection 2020 Jul.
PubMed 32774559de Mattos Lourenco TR, Matsuoka PK, Baracat EC, Haddad JM. Urinary incontinence in female athletes: a systematic review. Int Urogynecol J. 2018 Dec;29(12):1757-1763. doi: 10.1007/s00192-018-3629-z. Epub 2018 Mar 19.
PubMed 29552736Hajebrahimi S, Nourizadeh D, Hamedani R, Pezeshki MZ. Validity and reliability of the International Consultation on Incontinence Questionnaire-Urinary Incontinence Short Form and its correlation with urodynamic findings. Urol J. 2012 Fall;9(4):685-90.
PubMed 23235974Goldstick O, Constantini N. Urinary incontinence in physically active women and female athletes. Br J Sports Med. 2014 Feb;48(4):296-8. doi: 10.1136/bjsports-2012-091880. Epub 2013 May 18.
PubMed 23687004Gillinov S, Etiwy M, Wang R, Blackburn G, Phelan D, Gillinov AM, Houghtaling P, Javadikasgari H, Desai MY. Variable Accuracy of Wearable Heart Rate Monitors during Aerobic Exercise. Med Sci Sports Exerc. 2017 Aug;49(8):1697-1703. doi: 10.1249/MSS.0000000000001284.
PubMed 28709155
Study at a glance
From the registry record, last updated by the sponsor on 3 Oct 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Does a 10-minute Trampoline Protocol Induce Urine Leakage or Changes in Pelvic Morphometry Among Females Who Report That They do Not Experience Symptoms of Urinary Incontinence?
- ClinicalTrials.gov ID
- NCT07183800
- Acronym / sponsor ID
- TRAM / H-05-25-11551
- Conditions
- Urinary Continence, Urinary Incontinence, Urinary Incontinence (UI), Urinary Incontinence , Stress
- Keywords
- stress urinary incontinence, pelvic floor, pelvic floor morphology, high impact exercise, urine leakage, urinary symptoms, levator plate, female athletes
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 30 participants (estimated)
- Lead sponsor
- University of OttawaUniversity, hospital or other
- Study start
- 16 Jul 2025 (actual)
- Primary completion
- 31 Dec 2025 (estimated)
- Study completion
- 30 Apr 2026 (estimated)
- First posted
- 19 Sep 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this clinical trial is to evaluate whether a short bout of high-intensity trampoline jumping induces urinary leakage or measurable changes in pelvic floor morphology in active females aged 18-40 who do not report symptoms of urinary incontinence. The main questions it aims to answer are:
Hypothesis 1: Does a single 10-minute trampoline protocol result in acute changes in pelvic floor structure, including bladder neck position, levator plate length, and/or posterior urethrovesical angle (PUVA)?
Hypothesis 2: Do participants report any urinary leakage during the jumping protocol, despite being asymptomatic at baseline?
Hypothesis 3: Do pelvic morphology changes recover within 30 minutes post-jumping, or do alterations persist?
Researchers will perform within-subject comparisons at multiple time points (pre-jump, immediately post-jump, and 30 minutes post-jump) using transperineal ultrasound imaging to assess structural changes.
Participants will:
- Attend one laboratory visit
- Complete baseline pelvic health questionnaires (ICIQ-UI Short Form and PFD Sentinel).
- Undergo 2D transperineal ultrasound imaging in the standing position at rest, immediately post-jumping, and 30 minutes post-jumping.
- Perform a 10-minute high-intensity jumping protocol on a mini-trampoline, while heart rate and perceived exertion are monitored.
- Verbally report any urine leakage during jumping using standardized descriptors.
Detailed description
Urinary incontinence (UI) has traditionally been associated with postpartum or older women; however, growing evidence highlights its prevalence among young, physically active females - even in those without a history of pelvic floor dysfunction or childbirth. High-impact physical activities such as running, jumping, and trampolining have been shown to increase intra-abdominal pressure, placing acute mechanical stress on the pelvic floor and potentially contributing to urinary leakage. While the relationship between high-impact exercise and stress urinary incontinence (SUI) has been explored in terms of prevalence, less is known about the acute, real-time mechanical effects of impact loading on pelvic floor structures in asymptomatic individuals.
This study aims to investigate whether a 10-minute high-intensity trampoline protocol induces measurable changes in pelvic morphology - specifically in bladder neck position, levator plate length, and/or posterior urethrovesical angle (PUVA) - in physically active females aged 18-40 who do not report urinary incontinence symptoms. These anatomical parameters are indicators of pelvic floor support and dysfunction, and their change under load may signal early mechanical strain on the pelvic floor.
Participants will undergo a single study session involving a baseline transperineal ultrasound assessment, a 10-minute jumping bout, and follow-up ultrasound assessments immediately, and 30 minutes post-exercise. Urinary leakage is monitored during jumping via verbal self-report every 2 minutes, with descriptive classifications such as "drops," "squirt," or "gush." Jumping intensity is tracked using the Borg RPE scale and heart rate monitoring via Apple Watch, which has demonstrated acceptable validity for exercise heart rate tracking.
A repeated-measures design will be used to assess within-subject changes in pelvic morphology, with participants serving as their own control across time points. Data will be analyzed using repeated-measures ANOVA to determine statistically significant changes, with Cohen's d effect sizes calculated to assess magnitude of effect. Leakage data will be reported descriptively.
Ultimately, this study will generate foundational data on the immediate biomechanical response of the pelvic floor to high-impact activity. These findings may help identify early indicators of pelvic floor strain, even in women without symptomatic UI, and could inform future screening and prevention strategies for active female populations.
Study design
- Observational model
- Other
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| healthy young active females | – | Other: Water18-40yo active females with no self-reported urinary incontinence |
Who may qualify
- Ages
- 18 to 40 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
- Study population
- Participants will be recruited from the Ottawa region through local gyms, university facilities, and social media platforms. The study population includes recreationally active females aged 18-40 who engage in activities such as running or brisk walking and are willing to attend a single in-person session at the University of Ottawa's Motor Function Measurement Laboratory.
Key inclusion criteria (4 listed)
- Aged 18-40
- Engage in regular physical activity or sport
- Do not experience frequent urinary leakage (no more than once per month during exercise, coughing, or sneezing)
- Can complete a 10-minute jumping protocol
Key exclusion criteria (4 listed)
- Currently pregnant or have been pregnant in the past 6 months
- Have cardiac, pulmonary, metabolic, and/or neurological conditions
- Have a lower body injury that limits your ability to jump
- Have had a hysterectomy and/or incontinence surgery
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| WaterParticipants will undergo a standardized 10-minute high-intensity trampoline jumping protocol designed to elicit mechanical loading on the pelvic floor. Prior to the jumping session, bladder volume will be assessed via transabdominal ultrasound. If a participant's bladder contains less than 100 mL of urine, they will be asked to drink water and wait until a target range of 100-200 mL is reached to ensure consistent pre-jump bladder filling across participants. This approach minimizes variability in bladder volume, which could influence pelvic floor measurements. | Other | healthy young active females |
Primary outcome
Assessing whether a short-duration trampoline protocol induces urinary leakage in active females.
Time frame: Urinary leakage is assessed during the 10-minute jumping protocol on the single lab visit.
Urinary leakage is assessed via self-report during a 10-minute high-intensity trampoline jumping protocol. Every 2 minutes, participants are verbally prompted to report whether they experienced leakage, and to classify it using standardized descriptors ("drops," "squirt," or "gush"). Leakage severity is indexed based on the timing of first report, frequency of episodes, and qualitative volume descriptors. Descriptive statistics will be used to report the proportion of participants who leak, frequency of leakage, and severity profiles.
3 secondary outcomes
Assessing whether a short-duration trampoline protocol induces acute changes in bladder neck morphology in active females.
Time frame: Bladder neck morphology outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Assessing whether a short-duration trampoline protocol induces acute changes in levator plate length in active females.
Time frame: Levator plate length outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Assessing whether a short-duration trampoline protocol induces acute changes in the posterior urethrovesicle angle (PUVA) in active females.
Time frame: Posterior urethrovesicle angle (PUVA) outcomes are assessed across a single session spanning approximately 45-60 minutes (baseline through 30 minutes post-exercise).
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Oct 2025.
- Background: PubMed 2325968Nygaard I, DeLancey JO, Arnsdorf L, Murphy E. Exercise and incontinence. Obstet Gynecol. 1990 May;75(5):848-51.
- Background: PubMed 34399041Zhao B, Wen L, Liu D, Huang S. Urethral configuration and mobility during urine leaking described using real-time transperineal ultrasonography. Ultrasonography. 2022 Jan;41(1):171-176. doi: 10.14366/usg.21058. Epub 2021 Jun 15.
- Background: PubMed 32552580Zhang Y, Weaver RG, Armstrong B, Burkart S, Zhang S, Beets MW. Validity of Wrist-Worn photoplethysmography devices to measure heart rate: A systematic review and meta-analysis. J Sports Sci. 2020 Sep;38(17):2021-2034. doi: 10.1080/02640414.2020.1767348. Epub 2020 Jun 19.
- Background: PubMed 26105710Youssef A, Montaguti E, Sanlorenzo O, Cariello L, Salsi G, Morganelli G, Azzarone C, Pilu G, Rizzo N. Reliability of new three-dimensional ultrasound technique for pelvic hiatal area measurement. Ultrasound Obstet Gynecol. 2016 May;47(5):629-35. doi: 10.1002/uog.14933. Epub 2016 Mar 29.
- Background: PubMed 17618762Weinstein MM, Jung SA, Pretorius DH, Nager CW, den Boer DJ, Mittal RK. The reliability of puborectalis muscle measurements with 3-dimensional ultrasound imaging. Am J Obstet Gynecol. 2007 Jul;197(1):68.e1-6. doi: 10.1016/j.ajog.2007.02.041.
- Background: PubMed 29654349Teixeira RV, Colla C, Sbruzzi G, Mallmann A, Paiva LL. Prevalence of urinary incontinence in female athletes: a systematic review with meta-analysis. Int Urogynecol J. 2018 Dec;29(12):1717-1725. doi: 10.1007/s00192-018-3651-1. Epub 2018 Apr 13.
- Background: PubMed 33380887Serdar CC, Cihan M, Yucel D, Serdar MA. Sample size, power and effect size revisited: simplified and practical approaches in pre-clinical, clinical and laboratory studies. Biochem Med (Zagreb). 2021 Feb 15;31(1):010502. doi: 10.11613/BM.2021.010502. Epub 2020 Dec 15.
- Background: PubMed 10638870Schnider P, Birner P, Gendo A, Ratheiser K, Auff E. Bladder volume determination: portable 3-D versus stationary 2-D ultrasound device. Arch Phys Med Rehabil. 2000 Jan;81(1):18-21. doi: 10.1016/s0003-9993(00)90215-6.
- Background: PubMed 22615009Scherr J, Wolfarth B, Christle JW, Pressler A, Wagenpfeil S, Halle M. Associations between Borg's rating of perceived exertion and physiological measures of exercise intensity. Eur J Appl Physiol. 2013 Jan;113(1):147-55. doi: 10.1007/s00421-012-2421-x. Epub 2012 May 22.
- Background: PubMed 33130866Schallom M, Prentice D, Sona C, Vyers K, Arroyo C, Wessman B, Ablordeppey E. Accuracy of Measuring Bladder Volumes With Ultrasound and Bladder Scanning. Am J Crit Care. 2020 Nov 1;29(6):458-467. doi: 10.4037/ajcc2020741.
- Background: PubMed 32774559Pires T, Pires P, Moreira H, Viana R. Prevalence of Urinary Incontinence in High-Impact Sport Athletes: A Systematic Review and Meta-Analysis. J Hum Kinet. 2020 Jul 21;73:279-288. doi: 10.2478/hukin-2020-0008. eCollection 2020 Jul.
- Background: PubMed 29552736de Mattos Lourenco TR, Matsuoka PK, Baracat EC, Haddad JM. Urinary incontinence in female athletes: a systematic review. Int Urogynecol J. 2018 Dec;29(12):1757-1763. doi: 10.1007/s00192-018-3629-z. Epub 2018 Mar 19.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Urinary Continence and Urinary Incontinence, run by University of Ottawa at 1 site in Canada.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 3 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Each site lists its own contact: choose the nearest one under Trial locations. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Assessing whether a short-duration trampoline protocol induces urinary leakage in active females. (time frame: Urinary leakage is assessed during the 10-minute jumping protocol on the single lab visit.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT07183800, which also lists 22 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Oct 2025; AzTrials last refreshed its copy on 27 Oct 2026.