Exercise Program Combined With Ergonomic Training in Textile Workers

February 10, 2026 updated by: Berna Çağla Balkışlı, Okan University

Examining the Effectiveness of an Exercise Program Combined With Ergonomic Training for Textile Workers: A Randomized Controlled Trial

Most studies in the literature focus on musculoskeletal disorders and pain levels in occupational groups with repetitive workloads, such as textile workers. However, due to the nature of the work environment, decreased respiratory function and postural disorders are also frequently observed in these individuals. There is no comprehensive study in the literature that combines respiratory exercises, posture training, and ergonomics training for textile workers. Therefore, this study will examine the effects of a regular exercise program implemented alongside ergonomics training provided to textile workers on respiratory parameters, musculoskeletal disorders, posture, functionality, pain levels, and fatigue intensity.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

60

Phase

  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

Volunteers aged 18-60 who have been working in the textile industry for at least 6 months will be included in the study.

Exclusion Criteria:

  • Individuals with orthopedic or neurological conditions that prevent exercise,
  • those with chronic pulmonary disease, those with psychological disorders, and
  • those who have undergone surgery that prevents exercise will not be included in the study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Home exercise group
This group will receive a brochure containing an exercise program they can do at home, along with training on ergonomics and posture.
Other: Home exercise
Home exercise with ergonomic and posture training
Experimental: Supervised group
In this group, ergonomics and posture training will be taught in person, and exercise applications will be carried out in the form of supervised group exercises.
Other: Supervised Exercise
Supervised exercise (breathing and chair-based exercise) with ergonomic and posture training
No Intervention: Control Group
In this group, no applications will be made; only assessments will be conducted at the beginning and end of the work.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Respiratory Function
Time Frame: From enrollment to the end of treatment at 6 weeks
A spirometer is an objective device used to measure lung air volumes and flow rates. This test is performed by the individual taking a deep breath and then blowing out forcefully, yielding various parameters. Spirometry results help identify obstructive (e.g., COPD, asthma) or restrictive (e.g., fibrosis) types of respiratory dysfunction. It is frequently used in clinical and occupational health settings, particularly to monitor respiratory function in individuals working in dusty environments such as textiles.
From enrollment to the end of treatment at 6 weeks
Respiratory Function
Time Frame: From enrollment to the end of treatment at 6 weeks
Chest circumference measurement: Chest circumference measurement is a simple, non-invasive method used to assess the effectiveness of the respiratory muscles and the mobility of the rib cage. In this measurement, a tape measure is used to determine the amount of change in chest circumference during inspiration (breathing in) and expiration.
From enrollment to the end of treatment at 6 weeks
6-Minute Walk Test
Time Frame: From enrollment to the end of treatment at 6 weeks
The 6-Minute Walk Test is a practical and reliable field test used to assess an individual's submaximal aerobic capacity and functional exercise level. In the test, the participant walks as fast as possible, but at a safe pace, for 6 minutes on a flat corridor. The total distance covered during the test will be recorded in meters.
From enrollment to the end of treatment at 6 weeks
Nordic Musculoskeletal System Questionnaire
Time Frame: From enrollment to the end of treatment at 6 weeks
The Nordic Musculoskeletal System Questionnaire (NMQ) is a standardized self-report questionnaire developed to identify musculoskeletal disorders experienced by individuals in different body regions. It asks about pain, discomfort, or loss of function experienced in nine different body regions-neck, shoulder, back, waist, hip, knee, and wrist-over the past 12 months and the past 7 days. The questionnaire is widely used in the assessment of ergonomic risks and work-related musculoskeletal disorders. It is simple, quick to administer, and suitable for comparative analysis in large populations.
From enrollment to the end of treatment at 6 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
New York Posture Rating Chart
Time Frame: From enrollment to the end of treatment at 6 weeks
The New York Posture Analysis is an observational assessment method used to systematically and objectively evaluate an individual's body posture. In this analysis, specific segments of the body such as the head, shoulders, torso, hips, knees, and ankles are observed from the front, side, and back, and 13 different posture regions are scored. Each region is scored between 1 and 5; high scores indicate better postural alignment, while low scores indicate postural abnormalities. Based on the total score, the individual's overall posture is classified as "good," "moderate," or "poor."
From enrollment to the end of treatment at 6 weeks
Wall Push-Up Test
Time Frame: From enrollment to the end of treatment at 6 weeks
The wall push-up test is a simple physical performance test used to assess upper extremity muscle strength and endurance. The participant places their hands shoulder-width apart on the wall and performs push-ups by flexing and extending their elbows while keeping their body in a straight line. The time taken to complete 5 repetitions will be recorded. The test is frequently used to measure the strength of the shoulder, arm, and chest muscles, as well as to assess upper body endurance.
From enrollment to the end of treatment at 6 weeks
Sit-to-Stand Test
Time Frame: From enrollment to the end of treatment at 6 weeks
The Sit-to-Stand Test is a performance test that evaluates lower extremity muscle strength, balance, and functional mobility. The participant sits down and stands up from a chair of standard height as many times as possible within 30 seconds, and the total number of repetitions will be measured. The test objectively determines lower extremity function and muscle endurance, which play an important role in daily living activities.
From enrollment to the end of treatment at 6 weeks
Fatigue Severity Scale
Time Frame: From enrollment to the end of treatment at 6 weeks
The Fatigue Severity Scale is a valid and reliable self-report measure developed to subjectively assess the level of fatigue that affects individuals' daily lives. This scale consists of a total of 9 items and uses a Likert-type rating system where each item is scored on a scale from 1 (strongly disagree) to 7 (strongly agree). Fatigue severity is determined by taking the average of the participant's total score; an increase in the average score indicates an increase in fatigue level.
From enrollment to the end of treatment at 6 weeks
Visual Analog Scale
Time Frame: From enrollment to the end of treatment at 6 weeks
A simple assessment tool that allows individuals to express the intensity of a feeling, pain, or symptom visually rather than numerically. It typically uses a horizontal line 10 cm long; one end of the line represents the minimum, such as "none" or "mildest," while the other end represents the maximum, such as 'unbearable' or "most severe." The participant marks the degree of pain or symptoms they feel on this line, and the position of the mark is measured in millimeters or centimeters to obtain a numerical value. In this study, it will be assessed three times: at rest, while working, and for night pain.
From enrollment to the end of treatment at 6 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Okan University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

February 9, 2026

Primary Completion (Estimated)

May 15, 2026

Study Completion (Estimated)

June 30, 2026

Study Registration Dates

First Submitted

January 23, 2026

First Submitted That Met QC Criteria

February 10, 2026

First Posted (Actual)

February 13, 2026

Study Record Updates

Last Update Posted (Actual)

February 13, 2026

Last Update Submitted That Met QC Criteria

February 10, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Keywords

Other Study ID Numbers

  • 29-195

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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