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Not yet recruiting NCT07025395

"CORE Training for Musculoskeletal Health: A Study on Adaptive Exercise Protocols"

No phase Interventional Core Muscle Weakness Postural Control Deficit Trunk Stability Impairment Functional Performance Limitation

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: - Core Training Protocol, Control Group Core Routine.
Who it may be relevant to
Registry conditions: Core Muscle Weakness, Postural Control Deficit, Trunk Stability Impairment, Functional Performance Limitation. Basic parameters: 25 years — 35 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
Greece
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Official title

Development and Implementation of a Core Training Protocol: Effects on Muscle Activation, Hypertrophy, Balance, and Quality of Life in Recreationally Active Adults

Overview

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.

Detailed description

Extended Detailed Description - Study Rationale and Objectives Core stability is a foundational component of human movement, contributing to postural control, balance, and force transmission. The deep and superficial muscle systems of the trunk function synergistically to enhance spinal alignment, movement efficiency, and musculoskeletal integrity.

In modern health science, core training has evolved into a key preventative strategy that supports spinal resilience and reduces functional limitations associated with sedentary lifestyles. Contemporary protocols often integrate trunk bracing, diaphragmatic engagement, and multi-planar control for comprehensive development.

This randomized, controlled trial evaluates the effects of an eight-week progressive core training program in recreationally active adults. The protocol combines components of neuromuscular control, strength development, and high-intensity power work, and aims to assess outcomes related to muscle activation, balance, segmental coordination, and perceived well-being.

Study Design \& Participants Participants will be randomly assigned to an experimental group (receiving the full protocol) or a control group (minimal activity). All procedures will take place at the Neuromechanics Laboratory of the Aristotle University of Thessaloniki (Serres Campus). Forty adults between 25-35 years old who meet physical activity and health-related eligibility criteria will complete baseline and post-intervention assessments. Written informed consent will be obtained prior to randomization.

Core Training Structure The program consists of a warm-up (\~6 min), a main core-focused session (\~30-32 min), and a cool-down (\~5 min). Training follows a triad structure in which each set includes one stability, one strength, and one power-based core exercise. Work intervals are set to 45 seconds, with progressive recovery. All sessions are designed to follow a logical kinetic chain progression: from motor control to peak force expression.

Measurements \& Instrumentation Pre- and post-testing includes validated assessments of ground reaction force, muscle activation, ultrasound-measured hypertrophy, video-based kinematic analysis, body measurements, and psychometric indices of well-being. Instrumentation includes force platforms, surface EMG, ultrasound imaging systems, motion capture tools, and standardized questionnaires.

Anticipated Outcomes The intervention is expected to improve neuromuscular efficiency, postural control, force production, core muscle thickness, and overall movement confidence. Enhanced trunk function may contribute to greater kinetic chain integration and better quality of life.

Broader Impact and Applicability Due to its equipment-light structure and progressive difficulty, this training protocol is well-suited for application in clinical rehabilitation, fitness centers, or at-home settings under professional supervision. The triad design offers educational value for exercise professionals seeking to integrate functional core sequencing into their practice.

This trial contributes to ongoing research on motor control strategies, force adaptation, sensorimotor integration, and holistic well-being. Insights gained may inform interventions in athletic populations, workplace health promotion, and functional aging.

Interventions

  • Behavioral - Core Training Protocol
    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.
  • Behavioral Control Group Core Routine
    Control group participants engage in general core activation exercises twice per week, without progressive intensity or specialized neuromuscular adaptation.

Primary outcome measures

  • Electromyographic (EMG) Muscle Activation During Medicine Ball Overhead Slam [Time frame: Baseline (Week 0) and Post-Intervention (Week 8)]
Secondary outcome measures (3)
  • Ultrasound-Based Core Muscle Hypertrophy Assessment [Time frame: Baseline (Week 0) and Post-Intervention (Week 8)]
  • Balance & Postural Stability Evaluation (Force Plate Analysis) [Time frame: Baseline (Week 0) and Post-Intervention (Week 8)]
  • Psychometric Evaluation of Life Satisfaction (Satisfaction With Life Scale - SWLS) [Time frame: Baseline (Week 0) and Post-Intervention (Week 8)]

Eligibility criteria

Inclusion criteria

  • 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

Exclusion criteria

  • 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

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: Yes

Study design

Allocation
Randomized
Model
Parallel assignment
Masking
Open label
Primary purpose
Basic science

Study locations

Greece · 1 center
  • Aristotle University of Thessaloniki, Serres Campus - Neuromechanics Laboratory — Serres

Identifiers

NCT: NCT07025395 · AUTH-CORE-STUDY

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗