Document Type

Poster

Publication Date

2025

Abstract

Introduction

  • Percussion therapy has gained popularity in recent years for its effectiveness in both rehabilitation and sports performance.
  • Percussion therapy is an instrument-assisted treatment targeting soft tissue structures using torque, amplitude, and frequency for delivery. 1

Objective

  • Evaluate the effects of localized percussion application treatment to the gluteal and sacral region on shoulder internal rotation (IR) range of motion (ROM) and isometric hamstring strength using the concept of regional interdependence 2,4,5

Participants

  • 54 healthy adults from Concordia University - St. Paul and local exercise facilities
    • 21 females
    • 33 males
    • Average age: 23.9

Methods

  • Pre-therapeutic intervention measurements
    • Supine shoulder IR ROM with manual goniometry
    • Prone hamstring strength using MicroFET™ 3
  • Therapeutic intervention: application of percussion via Hypervolt PlusⓇ to 5 landmarks on the gluteal region for 40 seconds total
  • Post-therapeutic intervention measurements
    • Prone hamstring strength using MicroFET™
    • Supine shoulder IR ROM with manual goniometry3

Results

  • Statistical significance (p < 0.05) demonstrated for increased shoulder IR (mean difference 4.78°) and for increased hamstring strength (mean difference 2.8#)

Conclusion

  • Improvements in both measurements were found post application of percussion, theorized to be a result of neural facilitation and regional interdependence

Clinical Relevance

  • Application to a non-local site impacting a distal irritated joint.
  • Facilitation of strength and ROM for athletes, such as a pitcher with impingement or a runner with hamstring deficits. 5

Future Research

  • Assessment of the duration of the percussive effects following application.
  • Assessment of the effectiveness on a population with injuries.

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