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NASM OPT for Pectoral Enhancement and Breast Firmness

NCT06977919 · Status: ENROLLING_BY_INVITATION · Phase: NA · Type: INTERVENTIONAL · Enrollment: 120

Last updated 2026-05-06

No results posted yet for this study

Summary

This RCT investigates a 12-week NASM OPT program targeting pectoral muscle strength, breast aesthetics (firmness, lift, chest circumference), and low back pain in 120 non-athletic women. The intervention group performed structured resistance training, while the control group engaged in general exercise. Outcomes included pectoral strength (dynamometer), aesthetic satisfaction (Likert scale), and functional performance (push-up test).

Conditions

  • Low Back Pain
  • Muscle Weakness
  • Breast Sagging

Interventions

BEHAVIORAL

NASM OPT Program

Three 60-minute weekly sessions for 12 weeks, progressing through stabilization (weeks 1-4), strength endurance (weeks 5-8), and hypertrophy (weeks 9-12) phases. Exercises included bench presses, chest flyes, and push-ups.

BEHAVIORAL

General Exercise

Three 60-minute weekly sessions of brisk walking and light aerobics without targeted resistance training.

Sponsors & Collaborators

  • University of Sistan and Baluchestan

    lead OTHER

Principal Investigators

  • Mohammadreza Rezaeipour, MD, PhD · Assoc.Prof.Dr.

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2025-05-01
Primary Completion
2025-09-15
Completion
2026-04-30

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 NCT06977919 on ClinicalTrials.gov