Pelvic Parameters in Males With and Without Ankle Instability

NCT07594210 | Not Yet Recruiting DMC

• 1 other identifier: Chronic ankle instability
• Study Type: observational
• Target: 38
• Locations: 0 countries
• Sites: N/A

Brief Summary

This study aims to investigate the relationship between pelvic alignment and ankle stability in male athletes with and without a history of ankle sprain. Chronic ankle instability is a common condition that may affect not only the ankle joint but also the alignment and function of other body segments, including the pelvis. Understanding this relationship may help improve injury prevention and rehabilitation strategies. Participants will undergo clinical assessments, functional tests, and radiographic evaluation of pelvic parameters to compare findings between injured and non-injured groups. The objective of this study is to determine whether differences in pelvic sagittal parameters are associated with ankle instability in male athletes.

Conditions

Chronic Ankle Instability

Keywords

chronic ankle instability; ankle sprain; dynamic balance; pelvic alignment; athletes

Outcome Measures

Primary Outcomes (6)

• Ankle instability

  Ankle instability assessed using the Anterior Drawer Test

  Baseline assessment

• Chronic ankle instability

  Chronic ankle instability severity assessed using the Cumberland Ankle Instability Tool (CAIT)

  Baseline assessment

• Dynamic balance

  Dynamic balance performance assessed using the Y Balance Test

  Baseline assessment

• Pelvic incidence

  Pelvic incidence measured using standing lateral pelvic radiographs

  Baseline assessment

• Pelvic tilt

  Pelvic tilt measured using standing lateral pelvic radiographs

  Baseline assessment

• Sacral slope

  Sacral slope measured using standing lateral pelvic radiographs

  Baseline assessment

Study Arms (2)

Group A: Male athletes with a history of ankle sprain and chronic ankle instability.

Group A Male Athletes With Chronic Ankle Instability Male competitive football players aged 18 to 35 years with a history of unilateral lateral ankle sprain and symptoms consistent with chronic ankle instability. Participants in this group will report recurrent episodes of ankle "giving way," perceived ankle weakness and/or reduced ankle function, and a Cumberland Ankle Instability Tool (CAIT) score of less than 24. The most recent ankle sprain must have occurred more than 3 months before enrollment.

Group B: Male athletes without a history of ankle sprain or chronic ankle instability.

Group B Healthy Male Athletes Male competitive football players aged 18 to 35 years with no previous history of lateral ankle sprain, chronic ankle instability, or lower limb musculoskeletal injury within the previous 12 months. Participants in this group will be matched to the chronic ankle instability group according to age, playing level, and training exposure.

Eligibility Criteria

• Age: 18 Years - 35 Years
• Gender Eligibility Details: male athletes only
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)
• Sampling Method: Non-Probability Sample

Study Population

The study will include male competitive football players aged 18 to 35 years. Cases will be defined as players with chronic ankle instability following a history of lateral ankle sprain, while controls will be healthy players without a history of ankle sprain or chronic ankle instability. Participants will be recruited from sports clubs and physiotherapy outpatient departments.

You may qualify if:

• Male football players aged between 18 and 35 years (Herzog et al., 2019; Jiang et al., 2022).
• A documented history of lateral ankle sprain (LAS) for at least 12 months before the study, with the initial injury resulting in a minimum of one day of weight-bearing restriction.
• Self-reported episodes of ankle "giving way" occurring at least twice within the 6-12 months preceding enrollment.
• The most recent injury must have occurred more than 3 months before study enrollment.
• A perceived sense of the injured ankle being chronically weaker and/or less functional than the contralateral side before the first LAS episode.
• A Cumberland Ankle Instability Tool (CAIT) score of less than 24 indicates chronic ankle instability.
• For group B: participants with no previous history of ankle sprain.

You may not qualify if:

• Bilateral LAS (Tahoon et al., 2022).
• Previous injury, fracture, or surgical intervention involving the spine, pelvis, or lower extremity.
• History of low back pain requiring medical or surgical intervention.
• Engagement in supervised or unsupervised ankle rehabilitation within one month before the study.
• Any LAS occurring within three months before participation.
• Leg length discrepancy exceeding 0.5 cm.

Sponsors & Collaborators

• Ahmed Korany Abdallah Ahmed: lead

Related Publications (6)

• Shakeri M, Mahdavi SM, Rikhtehgar M, Soleimani M, Ghandhari H, Jafari B, Daneshmand S. EOS(R) is reliable to evaluate spinopelvic parameters: a validation study. BMC Med Imaging. 2024 Feb 6;24(1):35. doi: 10.1186/s12880-023-01178-0.

  PMID: 38321400 RESULT

• Pierobon A, Raguzzi I, Solino S, Salzberg S, Vuoto T, Gilgado D, Perez Calvo E. Minimal detectable change and reliability of the star excursion balance test in patients with lateral ankle sprain. Physiother Res Int. 2020 Oct;25(4):e1850. doi: 10.1002/pri.1850. Epub 2020 May 26.

  PMID: 32458531 RESULT

• Plisky PJ, Rauh MJ, Kaminski TW, Underwood FB. Star Excursion Balance Test as a predictor of lower extremity injury in high school basketball players. J Orthop Sports Phys Ther. 2006 Dec;36(12):911-9. doi: 10.2519/jospt.2006.2244.

  PMID: 17193868 RESULT

• Powden CJ, Dodds TK, Gabriel EH. THE RELIABILITY OF THE STAR EXCURSION BALANCE TEST AND LOWER QUARTER Y-BALANCE TEST IN HEALTHY ADULTS: A SYSTEMATIC REVIEW. Int J Sports Phys Ther. 2019 Sep;14(5):683-694.

  PMID: 31598406 RESULT

• Fusco A, Giancotti GF, Fuchs PX, Wagner H, da Silva RA, Cortis C. Y balance test: Are we doing it right? J Sci Med Sport. 2020 Feb;23(2):194-199. doi: 10.1016/j.jsams.2019.09.016. Epub 2019 Sep 26.

  PMID: 31601458 RESULT

• Shdefat SA, Arshad Z, Khan R, Haq II, Bhatia M. Patient reported outcome measures in the foot and ankle literature: A systematic review. Foot (Edinb). 2025 Dec;65:102209. doi: 10.1016/j.foot.2025.102209. Epub 2025 Sep 29.

  PMID: 41033023 RESULT

MeSH Terms

Conditions

Ankle Injuries

Condition Hierarchy (Ancestors)

Leg Injuries; Wounds and Injuries

Study Officials

• maha mostafa alibeiny, phd

  Cairo University

  STUDY DIRECTOR

Central Study Contacts

ahmed korany Elsawy, Bsc

CONTACT

002-010-938-986-84; ahmedsawy442@gmail.com

abdallah mohamed kamel, phd

CONTACT

002-011-448-814-39; abdallah.kamel@pt.cu.edu.eg

Study Design

• Study Type: observational
• Observational Model: CASE CONTROL
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR INVESTIGATOR
• PI Title: assistant lecturer at faculty of physical therapy

Study Record Dates

• First Submitted: May 4, 2026
• First Posted: May 18, 2026
• Study Start: May 7, 2026
• Primary Completion (Estimated): June 7, 2026
• Study Completion (Estimated): July 7, 2026
• Last Updated: May 18, 2026

Record last verified: 2026-05

Data Sharing

• IPD Sharing: Will not share