Effect of Aerobic and Resistance Exercise on Quarry Workers

Recruiting now · Not applicable

Conditions studied: Ventilatory Defect, Occupational Lung Diseases, Respiratory Disorders

In brief

The goal of this randomized clinical trial is to compare the effects of aerobic exercise training and resistance exercise training on ventilatory function in quarry workers. It will also evaluate their effects on functional capacity and health-related quality of life (HRQOL). The main questions it aims to answer are: Does aerobic exercise training improve ventilatory function more effectively than resistance exercise training? How do aerobic and resistance exercise training affect functional capacity and health-related quality of life in quarry workers? Researchers will compare aerobic exercise training and resistance exercise training with a control group receiving routine treatment and breathing exercises to determine which intervention is more effective in improving ventilatory function, functional capacity, and health-related quality of life. Participants will: Be randomly assigned to one of three groups: an aerobic exercise training group, a resistance exercise training group, or a control group. Receive the assigned intervention three times per week for eight consecutive weeks. Undergo ventilatory function assessment using spirometry. Complete assessments of functional capacity and health-related quality of life before and after the intervention.

Key facts

Study ID

NCT07744334

Run by

Cairo University

People needed

75

Starts

2026-07-09

Expected to finish

2027-01-25

Last updated by the study team

2026-08-05

Who can join

Age: 30 and older, up to 40. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Male quarry workers.
• The age range is between 30 and 40 years.
• BMI values from 25 to 29.9 kg/m².
• They work 5 to 6 times per weeks with mean exposure range (5-10 years) (Kumar et al., 2014). Exhibited chest manifestations (Respiratory symptoms) like cough, dyspnea, wheeze, and ventilatory impairment with significant reduction in (FEV1/FVC<70% and/or FVC<80% and reduce Peak Expiratory flow 25- 75% (PEF25-75%)(Abdelwahaab et al., 2025).
• Clinically stable (no exacerbation in past 4-6 weeks).
• Low levels of physical activity (using the International Physical Activity Questionnaire-Short Version) (The Arabic version of the questionnaire will be used).

You may not qualify if…

• Patients with acute respiratory infections or recent exacerbation(4-6 weeks).
• Asthmatic patient.
• Chest cancer.
• Musculoskeletal diseases and other disorders that could potentially impact the study's findings are excluded from the trial.
• Other major lung diseases (e.g., TB, ILD, bronchiectasis, cancer).
• Unstable cardiovascular disease.
• Uncontrolled hypertension.
• Severe musculoskeletal or neurological limitation to exercise.
• Cognitive impairment.
• Participation in PR in past 6 months.
• Heavy smokers.

Where it is running

• Faculty of Physical Therapy, Deraya University — Minya, Minya Governorate, Egypt (enrolling)

Full record on ClinicalTrials.gov

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