ClinicalTrials.gg
CompletedNCT07911917Updated Nov 5, 2026

EFFECTS OF REFORMER PILATES TRAINING

An interventional study of Reformer Pilates exercise program in Depression, Anxiety, Stress, sponsored by Aksaray University. Completed at 1 site in Turkey (Türkiye). Open to female participants aged 18 Years to 35 Years. Per ClinicalTrials.gov, last updated 2026-11-05.

Sponsored by Aksaray University · Not applicable, Interventional, and Screening

From the registry’s dates

  • Registered 5 months after the study started (first participant enrolled Mar 2026, registered Sep 2026).
Updated Nov 5, 2026Primary outcomes revisedNewly registered+2 moreGo to Updates ↓
Phase
Not applicable
Study type
Interventional
Enrollment
24
Allocation
Not applicable
Ages
18 Years to 35 Years
Sex
Female
01

Study summary

This study investigated the effects of a 5-week Reformer Pilates exercise program on sleep quality, depression, anxiety, stress, and body mass index in 26 sedentary women. Participants completed 10 exercise sessions, with two sessions per week. Sleep quality and mental health were assessed before and after the intervention using the Pittsburgh Sleep Quality Index and Depression Anxiety Stress Scales-21. Following the program, significant improvements were observed in sleep quality, depression, stress, and body mass index. These findings suggest that Reformer Pilates may be a beneficial exercise approach for improving selected physical and psychological outcomes in sedentary women.

Read the detailed description

Purpose: Pilates is a widely utilized exercise therapy modality aimed at improving physical fitness, body composition, and both physical and psychological well-being in healthy populations. The aim of this study was to comprehensively investigate the effects of a Reformer Pilates (RP) exercise program on levels of depression, anxiety, and stress, as well as on sleep quality and body mass index.

Methods: Twenty-six sedentary women participated in this study. Participants completed a RP exercise program consisting of 10 sessions over a 5-week period, with two sessions per week. Sleep quality and mental health status were evaluated using the Pittsburgh Sleep Quality Index (PSQI) and the Depression Anxiety Stress Scales-21 (DASS-21), respectively. Body mass index (BMI) was calculated from participants' height and body mass measurements. All outcome measures were assessed before the exercise program and immediately following its completion.

Keywords: Reformer pilates, sleep quality, depression, anxiety, stress, body mass index.

02

Conditions studied

  • Depression, Anxiety, Stress

Keywords

  • Reformer pilates
  • sleep quality
  • depression
  • anxiety
  • stress
  • body mass index
03

In context

Depression

8,577 studies on the registry are indexed under Depression; 1,720 are open to participants now.

This study's enrollment of 24 is below the median of 81 across 7,063 interventional studies indexed under Depression.

Browse Depression studies →

Lead sponsor

Aksaray University is the lead sponsor of 15 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 35 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Women aged 18-35 years.
  • Having a sedentary lifestyle.
  • Not having participated regularly in a Reformer Pilates exercise program previously.
  • Voluntarily agreeing to participate in the study.
  • Providing written .
  • Agreeing to participate in all study assessments and the 5-week Reformer -Pilates exercise program.

Exclusion criteria

Exclusion Criteria:

  • Failure to attend the Reformer Pilates exercise sessions regularly.
  • Failure to complete the 10-session exercise program.
  • Participation in another regular exercise program during the study period.
  • Having a musculoskeletal injury or health condition that prevents participation in exercise.
  • Failure to complete any of the study assessments.
  • Voluntary withdrawal from the study during the study period.
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Screening
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
24 participants (actual)

Study arms

  • Experimental
    RP GRUP

    Twenty-six sedentary women participated in this study . Participants completed a RP exercise program consisting of 10 sessions over a 5-week period, with two sessions per week. Sleep quality and mental health status were evaluated using the Pittsburgh Sleep Quality Index (PSQI) and the Depression Anxiety Stress Scales-21 (DASS-21), respectively. Body mass index (BMI) was calculated from participants' height and body mass measurements. All outcome measures were assessed before the exercise program and immediately following its completion.

    Behavioral: Reformer Pilates exercise program

Interventions

  • BehavioralReformer Pilates exercise program

    As part of the study, participants took part in a RP exercise programme scheduled for two days a week and comprising a total of 10 sessions. The exercise programme was structured in accordance with the principle of controlled progression, taking into account the participants' sedentary lifestyles. The sessions were conducted under the supervision of a qualified instructor with expertise in RP (SM); throughout the exercises, emphasis was placed on correct posture, breath control and movement integrity. Care was taken to ensure that all participants were subjected to the same exercise content and conditions throughout the programme. The exercise sessions were planned to include warm-up, the main exercise programme and cool-down phases. The exercise programme was implemented systematically, taking into account the principles of weekly periodisation.

06

What researchers measure

Primary outcomes

  1. Pittsburgh Sleep Quality Index (PSQI)

    Measure: Pittsburgh Sleep Quality Index (PSQI) total score Scale name: Pittsburgh Sleep Quality Index (PSQI). Minimum score: 0. Maximum score: 21. Interpretation: Higher scores indicate poorer sleep quality, whereas lower scores indicate better sleep quality.

    Time frame: Baseline and immediately after the 5-week intervention

Secondary outcomes

  1. Depression-Anxiety-Stress Scale (Short Form)

    Measure: Depression Anxiety Stress Scales-21 (DASS-21) scores for depression, anxiety, and stress Scale name: Depression Anxiety Stress Scales-21 (DASS-21). Minimum score: 0 for each subscale. Maximum score: 21 for each subscale. Subscales: Depression, anxiety, and stress (7 items each). Interpretation: Higher scores indicate higher levels of depression, anxiety, and stress, respectively.

    Time frame: Baseline and immediately after the 5-week intervention

07

Study locations

1 site
  • Aksaray University
    Aksaray, Aksaray 68100, Turkey (Türkiye)
08

References and documents

Publications

  • Adıgüzel, S., Aras, D., Gülü, M., Aldhahi, M. I., Alqahtani, A. S., & Al-Mhanna, S. B. (2023). Comparative effectiveness of 10-week equipment-based pilates and diaphragmatic breathing exercise on heart rate variability and pulmonary function in young adult healthy women with normal BMI-a quasi-experimental study. BMC Sports Science, Medicine and Rehabilitation, 15(1), 82. Ağargün, M. Y. (1996). Validity and reliability of Turkish version of Pittsburgh sleep quality index. Türk Psikiyatri Dergisi, 7, 107. Aibar-Almazán, A., Hita-Contreras, F., Cruz-Díaz, D., de la Torre-Cruz, M., Jiménez-García, J. D., & Martínez-Amat, A. (2019). Effects of Pilates training on sleep quality, anxiety, depression and fatigue in postmenopausal women: A randomized controlled trial. Maturitas, 124, 62-67. A'Naja, M. N., Batrakoulis, A., Camhi, S. M., McAvoy, C., Sansone, J. S., & Reed, R. (2024). 2025 ACSM worldwide fitness trends: future directions of the health and fitness industry. ACSM's Health & Fitness Journal, 28(6), 11-25. Ashrafinia, F., Mohammadizadeh, S., & Fathizadeh, N. (2014). The effects of Pilates exercise on sleep quality in postpartum women. Journal of Bodywork and Movement Therapies, 18(2), 190-199. https://doi.org/10.1016/j.jbmt.2013.09.007 Buysse, D. J., Reynolds III, C. F., Monk, T. H., Berman, S. R., & Kupfer, D. J. (1989). The Pittsburgh Sleep Quality Index: a new instrument for psychiatric practice and research. Psychiatry research, 28(2), 193-213. Caldwell, K., Harrison, M., Adams, M., & Triplett, N. T. (2009). Effect of Pilates and taiji quan training on self-efficacy, sleep quality, mood, and physical performance of college students. Journal of bodywork and movement therapies, 13(2), 155-163. Caldwell, K., Harrison, M., Adams, M., & Triplett, N. T. (2009). Effect of Pilates and Taiji Quan training on self-efficacy, sleep quality, mood, and physical performance of college students. Journal of Bodywork and Movement Therapies, 13(2), 155-163. https://doi.org/10.1

Individual participant data

Plan to share: No — Individual participant-level data will not be shared publicly because the dataset contains potentially identifiable participant information. To protect participant privacy and confidentiality, individual-level data will not be made publicly available. Aggregate study results will be reported in accordance with applicable ethical and data protection requirements.

09

Updates

2 registry updates since Sep 25, 2026
Sites
1 site added, 1 site removed
Show site
  • Aksaray University · Aksaray, Turkey (Türkiye)
Show 1 removed
  • Aksaray University · Aksaray, Turkey (Türkiye)
Nov 5, 2026
Primary outcomes
1 edited
What changed in the outcomes
  • ChangedBefore Sleep QualityNow Pittsburgh Sleep Quality Index (PSQI)Time frame: Baseline and immediately after the 5-week intervention
Nov 5, 2026
Secondary outcomes
1 edited
What changed in the outcomes
  • ChangedBefore Depression, Anxiety, and StressNow Depression-Anxiety-Stress Scale (Short Form)Time frame: Baseline and immediately after the 5-week intervention
Nov 5, 2026
Registered
First appeared on the registry
Nov 3, 2026
Show all 2 updates
  1. Nov 5, 2026
    1 site added, 1 site removed
    Show site
    • Aksaray University · Aksaray, Turkey (Türkiye)
    Show 1 removed
    • Aksaray University · Aksaray, Turkey (Türkiye)
    Primary outcomes 1 edited
    What changed in the outcomes
    • ChangedBefore Sleep QualityNow Pittsburgh Sleep Quality Index (PSQI)Time frame: Baseline and immediately after the 5-week intervention
    Secondary outcomes 1 edited
    What changed in the outcomes
    • ChangedBefore Depression, Anxiety, and StressNow Depression-Anxiety-Stress Scale (Short Form)Time frame: Baseline and immediately after the 5-week intervention
    + 1 other change: identifiers
  2. Nov 3, 2026
    First appeared on the registry

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07911917
Lead sponsor
Aksaray University
Responsible party
Yağmur YILDIZ (Principal Investigator Dr. Yağmur YILDIZ, Aksaray University) — Principal investigator
First posted
Nov 3, 2026
Start date
Mar 15, 2026
Primary completion
Aug 15, 2026
Completion
Aug 30, 2026
Last update
Nov 5, 2026

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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