High-Intensity Interval Training and Menstrual Health Experience in Primary Dysmenorrhea.
Efficacy of a High-Intensity Interval Training Program and Analysis of Menstrual Health Experience in Women With Primary Dysmenorrhea: A Mixed-Methods Randomized Controlled Trial.
University of Alcala
60 participants
Feb 18, 2026
INTERVENTIONAL
Conditions
Summary
The goal of this study is to evaluate whether a 12-week online supervised high-intensity interval training program can reduce menstrual pain and improve quality of life in women with primary dysmenorrhea. Participants will be divided into two groups: one receiving an educational workshop and the HIIT program, and a control group receiving only the workshop. Additionally, the study seeks to understand the personal experience of these women through weekly health diaries, exploring how the intervention affects their relationship with their bodies and their menstruation. The ultimate goal is to offer new, non-pharmacological evidence-based tools for managing menstrual pain.
Eligibility
Inclusion Criteria6
- nulliparous
- primary dysmenorrhea
- body mass index between 18 and 30
- menstrual pain >5 according to the Numeric Pain Scale
- exercise >45 minutes/week
- understand Spanish and can freely read and sign the informed consent form
Exclusion Criteria7
- amenorrhea or cycles >35 days
- secondary dysmenorrhea
- pelvic or abdominal surgical intervention
- use of hormonal drugs
- diagnosed with fibromyalgia, muscoloskeletal injuries or medical comorbidities that prevent them from performing intense exercise
- receiving physiotherapy for pelvic floor disorders
- intense exercise >75 minutes/week
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Interventions
The intervention consists of a total of 24 exercise sessions delivered over 12 weeks (frequency: 2 sessions per week). Each session is conducted online and supervised in real-time by a physical therapist. The 24 sessions follow a structured progression of high-intensity intervals, separated by active recovery periods.
A 2-hour online educational session covering menstrual cycle physiology, pain neurophysiology, and self-care strategies. This intervention aims to improve menstrual health literacy and provide tools for pain self-management
Locations(1)
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NCT07391930