NCT07025395

Brief Summary

This study aims to evaluate the effects of an adaptive core training protocol that integrates core stability, core strength, and high-intensity core power exercises on muscle activation, hypertrophy, balance, and quality of life. Forty recreationally active adults with a minimum of two years of consistent training experience will participate. The structured intervention will span multiple weeks and utilize electromyography (EMG), ultrasound imaging, and validated questionnaires to assess neuromuscular and functional adaptations.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Oct 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 10, 2025

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 17, 2025

Completed
4 months until next milestone

Study Start

First participant enrolled

October 1, 2025

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 28, 2026

Completed
15 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 15, 2026

Completed
Last Updated

June 25, 2025

Status Verified

June 1, 2025

Enrollment Period

5 months

First QC Date

June 10, 2025

Last Update Submit

June 19, 2025

Conditions

Keywords

Core TrainingNeuromuscular AdaptationsMuscle HypertrophyElectromyographyUltrasound ImagingFunctional PerformanceLife Satisfaction

Outcome Measures

Primary Outcomes (1)

  • Electromyographic (EMG) Muscle Activation During Medicine Ball Overhead Slam

    Surface EMG recordings will assess neuromuscular activation in the rectus abdominis (RA), external oblique (EO), and iliocostalis lumborum (IL) muscles. Measurements will be conducted pre- and post-intervention using Biopac Systems Inc. electrodes and TEL100 M transmitter, with signals filtered between 10-500 Hz. Data will be analyzed via Acknowledge software to determine training-induced improvements in core muscle activity patterns.

    Baseline (Week 0) and Post-Intervention (Week 8)

Secondary Outcomes (3)

  • Ultrasound-Based Core Muscle Hypertrophy Assessment

    Baseline (Week 0) and Post-Intervention (Week 8)

  • Balance & Postural Stability Evaluation (Force Plate Analysis)

    Baseline (Week 0) and Post-Intervention (Week 8)

  • Psychometric Evaluation of Life Satisfaction (Satisfaction With Life Scale - SWLS)

    Baseline (Week 0) and Post-Intervention (Week 8)

Other Outcomes (2)

  • Kinematic Angular Velocity Analysis (Motion Capture)

    Baseline (Week 0) and Post-Intervention (Week 8)

  • Psychometric Evaluation of Life Satisfaction (SWLS)

    Baseline (Week 0) and Post-Intervention (Week 8)

Study Arms (2)

Experimental Group - Progressive Core Training Protocol

EXPERIMENTAL

Participants in this arm will follow an eight-week structured core training protocol designed to enhance neuromuscular adaptations, core muscle hypertrophy, and biomechanical performance. The program incorporates progressive core stability, core strength, and high-intensity core power exercises, ensuring gradual intensity scaling and optimized movement efficiency. Training sessions include warm-up, eight structured triads of core exercises, and a cool-down phase. Assessments will track electromyographic activity, ultrasound muscle imaging, balance performance, and kinetic chain optimization.

Behavioral: - Core Training Protocol

Control Group - Standardized Core Routine

ACTIVE COMPARATOR

Participants in this arm will engage in a standardized core exercise routine performed twice per week. The intervention will not include progressive intensity or specialized neuromuscular activation techniques. Control group participants will perform basic abs and back exercises to maintain general core function without targeted adaptations. The purpose of this arm is to serve as a baseline comparison for neuromuscular, biomechanical, and psychological assessments between groups.

Behavioral: Control Group Core Routine

Interventions

This structured training intervention incorporates progressive core exercises designed to enhance neuromuscular activation, balance, and muscle hypertrophy. Participants perform eight exercise triads per session, progressing from core stability drills to high-intensity power movements over eight weeks.

Experimental Group - Progressive Core Training Protocol

Control group participants engage in general core activation exercises twice per week, without progressive intensity or specialized neuromuscular adaptation.

Control Group - Standardized Core Routine

Eligibility Criteria

Age25 Years - 35 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Aged 25-35 years
  • Physically active (≥3 sessions/week, ≥1 hour per session) for ≥2 years
  • No known musculoskeletal, cardiovascular, or neurological disorders
  • No engagement in structured core training programs
  • Available to attend all evaluation appointments
  • Able and willing to commit to the 8-week intervention program

You may not qualify if:

  • Medical conditions that limit full-body or trunk movement
  • Cardiovascular/metabolic conditions contraindicating high-intensity exercise
  • Current participation in Pilates, CrossFit, or other core-specific protocols
  • Recent musculoskeletal injury affecting training eligibility

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Aristotle University of Thessaloniki, Serres Campus - Neuromechanics Laboratory

Serres, Central Makedonia, 62100, Greece

Location

Related Links

MeSH Terms

Conditions

Personal Satisfaction

Condition Hierarchy (Ancestors)

Behavior

Study Officials

  • Ioannis Tsartsapakis, Ph.D.

    Aristotle University of Thessaloniki, Greece

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Ioannis Tsartsapakis, Ph.D.

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: This study employs a parallel-group design with randomized allocation. Participants are divided into an experimental group undergoing an eight-week core training protocol and a control group following a standardized core-related routine. The interventional group receives structured progressive stability, strength, and power-focused exercises, while the control group engages in general core activation without targeted neuromuscular training. Pre- and post-intervention assessments evaluate neuromuscular function, balance, biomechanical efficiency, and life satisfaction.
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Laboratory Teaching Staff - Laboratory of Neuromechanics. Department of Physical Education and Sport Science at Serres, Aristotle University of Thessaloniki

Study Record Dates

First Submitted

June 10, 2025

First Posted

June 17, 2025

Study Start

October 1, 2025

Primary Completion

February 28, 2026

Study Completion

March 15, 2026

Last Updated

June 25, 2025

Record last verified: 2025-06

Locations