Postural Habits, Body Awareness, and Functional Performance Across BMI Categories in Women

NCT07500389 | Not Yet Recruiting DMC

• 1 other identifier: Omu2026/168
• Study Type: observational
• Target: 80
• Locations: 1 country
• Sites: 1

Brief Summary

This cross-sectional study aims to investigate the relationship between postural habits and body awareness with functional performance across different body mass index (BMI) categories in women. Participants will be categorized into four groups based on BMI (normal weight, overweight, obesity class I, and obesity class II-III). Postural habits and awareness, body awareness, and functional performance will be assessed using validated questionnaires and performance-based tests. The study also aims to explore the potential contribution of central adiposity (waist circumference) and psychological factors to these relationships. Findings are expected to provide a more comprehensive understanding of the biomechanical and perceptual factors associated with obesity.

Conditions

Obesity & Overweight; Body Mass Index; Postural Control; Body Awareness; Functional Performance

Keywords

Postural habits; body awareness; Functional mobility; Physical activity

Outcome Measures

Primary Outcomes (1)

• Postural Habits and Awareness Level (PHAS Score)

  Postural habits and awareness will be assessed using the Posture Habits and Awareness Scale (PHAS), a validated self-reported questionnaire. The scale evaluates individuals' habitual postural behaviors and awareness during daily activities. Higher scores indicate better postural habits and greater awareness. The primary outcome will be the total PHAS score and its comparison across body mass index (BMI) categories, as well as its association with functional performance.

  Baseline

Secondary Outcomes (7)

• Body Awareness Level (BAQ Score)

  Baseline

• Functional Mobility (Timed Up and Go Test)

  baseline

• Lower Extremity Functional Strength (5 Times Sit-to-Stand Test)

  Baseline

• Composite Functional Performance Index

  Baseline

• Waist Circumference (Central Obesity Indicator)

  Baseline

Study Arms (4)

Normal Weight

Women aged 18-65 years with a body mass index (BMI) between 18.5 and 24.9 kg/m². Participants in this group represent the normal weight category and will be evaluated for postural habits, body awareness, and functional performance.

Other: Observational Assessment

Overweight

Women aged 18-65 years with a BMI between 25.0 and 29.9 kg/m². This group includes participants classified as overweight and will undergo the same assessments as other groups

Other: Observational Assessment

Obesity Class I

Women aged 18-65 years with a BMI between 30.0 and 34.9 kg/m². Participants in this group represent obesity class I and will be assessed for postural habits, body awareness, and functional performance.

Other: Observational Assessment

Obesity Class II-III

Women aged 18-65 years with a BMI of 35.0 kg/m² or higher. This group includes participants with higher levels of obesity and will undergo the same evaluation protocol.

Other: Observational Assessment

Interventions

Observational Assessment OTHER

Participants will undergo a comprehensive observational assessment including anthropometric measurements, self-reported questionnaires, and performance-based functional tests. Body mass index and waist circumference will be measured to classify participants into BMI categories. Postural habits and awareness will be evaluated using the Posture Habits and Awareness Scale (PHAS), and body awareness will be assessed the Body Awareness Questionnaire (BAQ). Functional performance will be measured using the Timed Up and Go (TUG) test and the Five Times Sit-to-Stand (5×STS) test. No therapeutic or experimental intervention will be applied.

Normal Weight; Obesity Class I; Obesity Class II-III; Overweight

Eligibility Criteria

• Age: 18 Years - 65 Years
• Sex: female
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Non-Probability Sample

Study Population

The study population will consist of women aged 18-65 years recruited from the general community. Participants will be categorized into four groups based on body mass index (BMI): normal weight, overweight, obesity class I, and obesity class II-III.

You may qualify if:

• Female individuals aged 18-65 years
• Classified into BMI categories (normal weight, overweight, obesity class I, obesity class II-III)
• No obesity-related medical or surgical treatment in the last 6 months
• Able to understand instructions and complete questionnaires

You may not qualify if:

• Neurological disorders affecting mobility (e.g., stroke, Parkinson's disease, multiple sclerosis, peripheral neuropathy)
• Rheumatologic or inflammatory diseases (e.g., rheumatoid arthritis, ankylosing spondylitis)
• Severe orthopedic conditions limiting mobility (e.g., advanced osteoarthritis)
• Major surgery within the last 12 months affecting mobility or physical performance
• Pregnancy
• Acute musculoskeletal injury within the last 4 weeks

Sponsors & Collaborators

• Ondokuz Mayıs University: lead

Study Sites (1)

Ondokuz Mayis University

Samsun, Samsun, 55270, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Obesity; Overweight; Motor Activity

Condition Hierarchy (Ancestors)

Overnutrition; Nutrition Disorders; Nutritional and Metabolic Diseases; Body Weight; Signs and Symptoms; Pathological Conditions, Signs and Symptoms; Behavior

Central Study Contacts

Mine PEKESEN KURTÇA P PEKESEN KURTÇA, PhD

CONTACT

+903623121919; mine.pekesenkurtca@omu.edu.tr

Study Design

• Study Type: observational
• Observational Model: OTHER
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: PhD

Study Record Dates

• First Submitted: March 24, 2026
• First Posted: March 30, 2026
• Study Start: April 30, 2026
• Primary Completion (Estimated): August 1, 2026
• Study Completion (Estimated): December 1, 2026
• Last Updated: March 30, 2026

Record last verified: 2026-03

Data Sharing

• IPD Sharing: Will not share

Locations

TU (1)