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Completed

NCT Number: NCT07308028

Postural and Shoulder Function Norms

Musculoskeletal development during childhood is influenced by several factors, including age, body composition, and physical activity. However, normative data regarding shoulder joint parameters and upper body posture among school-aged children in Saudi Arabia are lacking, particularly in relation to body mass index (BMI).

Objective: This study aims to establish normative reference values for shoulder joint mobility and upper body postural alignment in Saudi male school children, and to investigate the influence of BMI and age on these musculoskeletal parameters.

This study will provide foundational normative data for shoulder and upper body posture among school-aged children in Saudi Arabia and clarify the musculoskeletal impact of excess weight. The findings will support early screening and intervention strategies in pediatric populations.

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Key information

Conditions

Normal

Age range

6 year–17 year

Sex eligibility

Male

Study type

Observational

Primary location

King Faisal Medical Complex

Ta'if, Saudi Arabia

About this study

A cross-sectional analytical study will be conducted among 384 Saudi male students, aged 6 to 17 years, recruited from six randomly selected schools in the western region of Saudi Arabia. Participants will be stratified by BMI categories (normal, overweight, and obese) and age groups. Outcome measures will include forward head posture angle, shoulder slope angle, scapular downward rotation, and dorsal kyphosis. Other assessments will comprise shoulder pain intensity, functional disability, shoulder range of motion, and isometric strength. Descriptive statistics will be used to summarize demographic and clinical characteristics. A factorial multivariate analysis of variance (MANOVA) will be performed to assess the influence of BMI and age on the musculoskeletal parameters. Additionally, odds ratios (ORs) will be calculated to determine the association between obesity and postural abnormalities. Data will be analyzed using SPSS software version 26), with a significance level set at p < 0.05.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • Saudi male students, aged 6 to 17 years

Exclusion criteria

  • shoulder injuries previous shoulder surgery scoliosis

Treatment and study plan

forward head posture angle

Diagnostic Test

angle between 2 lines; first line passing through tragus of the ear and seventh cervical vertebrae, the second line is horizontal line passing through seventh cervical vertebrae

Primary outcomes

  1. shoulder pain intensity

    Time frame: one month

    measured on pain scale (visual analogue scale) from 0 (no pain ) to 10 (untolerable pain)

Secondary outcomes

  1. functional disability

    Time frame: one month

    functional disability measured using shoulder disability index where higher scores indicates more disability

Sponsors and collaborators

Lead sponsor

Lincoln University College

Other

Registry information

Official study title

Postural and Shoulder Function Norms Among Normal-Weight Children in Saudi Arabia: A Comparative Study With Obese School-Aged Peers

Important dates

Study start
2025
Primary completion
2025
Study completion
2025
First posted
Dec 29, 2025
Registry last updated
Dec 29, 2025

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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