Correlation Between Trunk Postural Changes by Mobile Application and Radiological Findings in Adolescent Idiopathic Scoliotic Females

This observational study aims to examine the relationship between trunk postural changes measured using a mobile application (Biotonix Posture Assistant) and spinal curvature assessed by radiographic Cobb angle in adolescent females with idiopathic scoliosis. Thirty girls aged 14 to 17 years with moderate scoliosis will undergo a single posture assessment using the mobile application and a standard spinal X-ray. The study seeks to determine whether mobile-based postural measurements can reliably reflect radiological findings, offering a non-invasive and radiation-free option for screening and monitoring spinal posture in adolescents with scoliosis.

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Key information

Conditions

Adolescent Idiopathic Scoliosis (AIS)

Age range

14 year–17 year

Sex eligibility

Female

Study type

Observational

Primary location

Badr University in Cairo

Cairo, 11728, Egypt

About this study

Detailed Description

Adolescent idiopathic scoliosis is a common spinal deformity that typically develops during the adolescent growth period and predominantly affects females. Accurate assessment of spinal curvature is essential for clinical decision-making and follow-up; however, repeated radiographic evaluation exposes patients to ionizing radiation. Therefore, non-invasive assessment tools are increasingly needed.

This observational cross-sectional study aims to investigate the relationship between trunk postural deviations measured using the Biotonix Posture Assistant mobile application and radiographic Cobb angle measurements in adolescent females diagnosed with idiopathic scoliosis. Thirty female participants aged 14 to 17 years with moderate scoliosis (Cobb angle between 40° and 60°) will be recruited.

Each participant will undergo a single postural assessment using the mobile application to measure trunk rotation and translation along the X and Y axes while standing in a standardized position. Standard posteroanterior spinal radiographs will be used to determine Cobb angles as part of routine clinical evaluation. No therapeutic intervention will be applied as part of this study.

Statistical analysis will include correlation and regression methods to explore the association between postural parameters obtained from the mobile application and radiographic findings. The results of this study are expected to support the clinical utility of mobile-based posture assessment as a complementary, non-radiographic tool for screening and monitoring spinal deformities in adolescents

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

Female adolescents aged 14-17 years

Diagnosed with adolescent idiopathic scoliosis

Cobb angle between 40° and 60°

Ability to stand independently for posture assessment

Exclusion criteria

Congenital scoliosis

Neuromuscular scoliosis

Previous spinal surgery

Leg length discrepancy greater than 2 cm

Any musculoskeletal disorder affecting posture

Any neurological disorder affecting posture

Thyroid disease

Treatment and study plan

Primary outcomes

Correlation between BPA-derived trunk postural parameters and radiographic Cobb angle

Time frame: baseline assessment at study enrollment

Secondary outcomes

Correlation between trunk rotation (X and Y axes) and Cobb angle Correlation between trunk translation (X and Y axes) and Cobb angle Predictive value of BPA parameters for Cobb angle estimation

Time frame: baseline assessment at study enrollment

Sponsors and collaborators

Lead sponsor

Beni-Suef University

Other

Registry information

Acronym: TPSA-S

Important dates

Study start: 2024
Primary completion: 2025
Study completion: 2025
First posted: Feb 13, 2026
Registry last updated: Feb 13, 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.

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Completed