Studying Effects of a 10-Minute High-Intensity Trampoline Jumping on Pelvic Floor Changes and Urine Leakage in Physically Active Women Aged 18 to 40 Without Urinary Incontinence Symptoms

What this Trial Is About

Researchers are investigating whether a short, high-intensity trampoline jumping session causes urinary leakage or changes in pelvic floor structure in active females aged 18 to 40 who do not report symptoms of urinary incontinence. The study focuses on whether a 10-minute trampoline protocol affects bladder neck position, levator plate length, and posterior urethrovesical angle PUVA, which are important for pelvic floor support. It also examines if any changes recover within 30 minutes after jumping or if they persist. Participants will take part in a single laboratory visit where they will perform a 10-minute high-intensity jumping protocol on a mini-trampoline. Before jumping, bladder volume will be measured via ultrasound and adjusted by drinking water if needed to ensure consistent bladder filling. Pelvic floor structure is assessed using 2D transperineal ultrasound imaging before jumping, immediately after, and 30 minutes later. Heart rate and perceived exertion are monitored throughout the jumping session. During the study visit, participants will complete baseline pelvic health questionnaires and verbally report any urine leakage during jumping every 2 minutes using standardized descriptors. Ultrasound images will capture pelvic floor measurements at multiple time points to detect structural changes. Researchers will analyze these changes and leakage reports to understand the immediate impact of trampoline jumping on pelvic support. The total session lasts approximately 45 to 60 minutes.

Trampoline-Induced Changes in Pelvic Structure and Continence