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OpenTrials
Completed

NCT Number: NCT07605000

Does The Static Q Angle Reflect Dynamic Landing Mechanics In Young Female Athletes?

This study aimed to investigate whether static Q angle reflects dynamic landing mechanics in young female athletes.

Completed

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Key information

Age range

16 year–18 year

Sex eligibility

Female

Study type

Observational

Primary location

Istanbul Gelisim University

Istanbul, Avcilar, 34310, Turkey (Türkiye)

About this study

The purpose of this study was to examine the relationship between static Q angle and dynamic landing mechanics in young female athletes. Twenty-four physically active young female athletes voluntarily participated in the study.

Static Q angle measurements were obtained using digital image analysis techniques. Dynamic landing mechanics were assessed using the Landing Error Scoring System (LESS) and frontal plane projection angle (FPPA) measurements during a standardized drop vertical jump task.Body composition variables including body fat percentage, muscle percentage, and fat-free mass were also evaluated. Correlation, regression, and ROC analyses were performed to determine the association between static anatomical alignment and dynamic knee valgus mechanics. The study aimed to determine whether increased static Q angle values are associated with altered landing biomechanics and increased injury risk indicators.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Female athletes aged between 16 and 18 years
  • Physically active individuals participating in regular sports activities
  • Voluntary participation in the study
  • No history of lower extremity surgery

Exclusion criteria

  • Current musculoskeletal injury or pain
  • Neurological or balance disorders
  • Previous severe lower extremity injury affecting landing mechanics
  • Incomplete test participation or missing data

Treatment and study plan

Primary outcomes

  1. Frontal Plane Projection Angle (FPPA)

    Time frame: Baseline

    Assessment of dynamic knee valgus during landing using frontal plane projection angle measurements.

Sponsors and collaborators

Lead sponsor

Istanbul Gelisim University

Other

Registry information

Official study title

Does The Static Q Angle Reflect The Dynamic Landing Mechanics? Relationships Between Q Angle, FPPA, LESS, And Body Composition In Young Female Athletes

Acronym: Q-LESS

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
May 22, 2026
Registry last updated
May 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.