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Combined Training (Strength and Endurance) and the Serum Levels of Myostatin and Hormone-sensitive Lipase in Overweight and Obese Men

NCT07658261 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 36

Last updated 2026-06-23

No results posted yet for this study

Summary

This randomized controlled trial investigated the effects of upper body-based and lower body-based combined training on serum levels of myostatin (MSTN) and hormone-sensitive lipase (HSL) in overweight and obese men. Myostatin is a myokine involved in the regulation of skeletal muscle growth and adipose tissue metabolism, while HSL is a key enzyme involved in lipolysis and fat mobilization.

Thirty-six overweight and obese men were assigned to either an upper body combined training group, a lower body combined training group, or a non-exercising control group. The intervention consisted of 10 weeks of combined resistance and aerobic training performed three times per week. Serum levels of MSTN and HSL were measured before and after the intervention to determine whether upper body-focused and lower body-focused combined training produce different effects on markers associated with muscle growth and lipid metabolism.

Conditions

  • Overweight (BMI > 25)
  • Obesity (BMI>30)

Interventions

BEHAVIORAL

Upper Body Combined Training

Participants completed a 10-week upper body-focused combined training program performed three times per week. Each session included six upper body resistance exercises (chest press, rowing machine, biceps curl, triceps extension, shoulder press, and abdominal machine exercises) followed by aerobic exercise on a hand ergometer. Resistance training was performed for 3 sets during the first 5 weeks and 4 sets during weeks 6-10, with 8-12 repetitions per set. Aerobic exercise began at 20 minutes and increased by 1 minute each week, reaching 29 minutes in the final week. Exercise intensity was maintained at approximately 57-66% of maximum heart rate during aerobic training.

BEHAVIORAL

Lower Body Combined Training

Participants completed a 10-week lower body-focused combined training program performed three times per week. Each session included six lower body resistance exercises (leg press, leg extension, leg flexion, leg abduction, leg adduction, and calf raise exercises) followed by aerobic exercise on a leg ergometer. Resistance training was performed for 3 sets during the first 5 weeks and 4 sets during weeks 6-10, with 8-12 repetitions per set. Aerobic exercise began at 20 minutes and increased by 1 minute each week, reaching 29 minutes in the final week. Exercise intensity was maintained at approximately 57-66% of maximum heart rate during aerobic training.

Sponsors & Collaborators

  • Arya Habibi

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
20 Years
Max Age
45 Years
Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2024-05-01
Primary Completion
2024-05-01
Completion
2024-12-15

Countries

  • Iran

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07658261 on ClinicalTrials.gov