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NCT Number: NCT07442409

The Effect of Ergonomics and Exercise Training on Musculoskeletal Disorders in Female Dairy Farmers

The aim of this research is to comparatively examine the effects of ergonomics training and the combined application of ergonomics and structured exercise training on work-related musculoskeletal disorders in female farmers actively engaged in milking.

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Key information

Age range

25 year–50 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Tatvan

Bitlis, Tatvan, Turkey (Türkiye)

Location status: Recruiting

Location contact

Muharrem AKAR

CONTACT

+905075850626

About this study

The study will assign female farmers actively engaged in milking to two groups using a simple randomization method: a control group (ergonomics training) and an experimental group (ergonomics and exercise training). The control group will receive standard ergonomics training aimed at reducing ergonomic risk factors encountered during milking. The experimental group will receive the same ergonomics training as the control group, plus a structured exercise program consisting of stretching, strengthening, and posture exercises. The exercise program will be planned based on progressive loading principles, muscle group-specific exercise selection, set-repetition arrangement, and standardization of rest intervals. The intervention period is 12 weeks, with exercises performed 3 days a week. All participants will be evaluated before and after the intervention using the Visual Analog Scale, Nordic Musculoskeletal Questionnaire, Quick Disabilities of the Arm, Shoulder and Hand, and the World Health Organization Quality of Life Short Form, all within the same assessment protocol.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • Having been actively engaged in farming for at least 5 years
  • Being between 25-50 years of age
  • Being female
  • Having the physical ability to participate in the planned training and exercise program during the study period

Exclusion criteria

  • Having any accompanying neurological disease or neurological dysfunction
  • Having a history of any musculoskeletal surgery
  • Having a serious systemic disease that may prevent the implementation of the study protocol

Treatment and study plan

Ergonomics

Other

The control group will be given standard ergonomics training which includes proper body mechanics, correct working posture and musculoskeletal protection principles during milking.

Exercise

Other

The exercise group will receive the same ergonomics training as well as a structured exercise program consisting of stretching, strengthening and posture exercises. The exercise program will be planned to last three days a week for a total of 12 weeks.

Primary outcomes

  1. Nordic Musculoskeletal Questionnaire

    Time frame: 14 weeks

    It is a scale used to determine the extent of pain in the musculoskeletal system. The purpose of this questionnaire is to identify and compare pain and complaints in parts of the body. There is an image showing the 9 parts of the body included in the questionnaire. These body parts; neck, shoulders, back, elbows, hands, waist, hips, knees and feet. The respondents are asked whether they have experienced problems such as pain and discomfort in their body parts in the last 12 months, in the last 4 weeks, and on the day of the assessment, and they are asked to mark this as yes or no.

  2. QuickDASH

    Time frame: 14 weeks

    QuickDASH score of the mobility of the arm, shoulder, hand and its function by using the QuickDASH questionnaire. The QuickDASH is scored in two components: the disability/symptom section (11 items, scored 1-5) and the optional high performance sport/music or work modules (4 items, scored 1-5). A higher score indicates greater disability.

  3. Beck Depression Inventory

    Time frame: 14 weeks

    The Beck Depression Inventory is a 21-question multiple-choice self-report inventory for measuring the severity of depression. Higher total scores indicate more severe depressive symptoms. The range of scores vary from 0 to 63 (highest possible total) for the whole test. A score of 0 - 10 indicates minimal depression, while a score of over 40 indicates extreme depression. No subscales were used for this outcome.

  4. World Health Organization Quality of Life (Brief)

    Time frame: 14 weeks

    The World Health Organization Quality of Life brief is a 16 item quality of life scale covering four domains of QOL. Each item is scored from 1-5 with higher response employing a higher quality of life.

Study contacts

Contact information is provided by the study sponsor or research team.

Ömer ŞEVGİN

CONTACT

[email protected]

+905069787535

Sponsors and collaborators

Lead sponsor

Uskudar University

Other

Registry information

Official study title

The Effect of Ergonomics and Exercise Training on Musculoskeletal Disorders in Female Dairy Farmers: A Randomized Controlled Trial

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Mar 2, 2026
Registry last updated
Mar 3, 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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