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Erschienen in: Current Reviews in Musculoskeletal Medicine 2/2020

14.03.2020 | Injuries in Overhead Athletes (J Dines and C Camp, Section Editors)

Step by Step Guide to Understanding the Kinetic Chain Concept in the Overhead Athlete

verfasst von: Todd S. Ellenbecker, Ryoki Aoki

Erschienen in: Current Reviews in Musculoskeletal Medicine | Ausgabe 2/2020

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Abstract

Purpose of Review

The purpose of this review will be to provide both a historical and recent review of the role of the kinetic chain for the overhead athlete. The kinetic chain concept will then be applied to clinical exercise modifications and integrations for prevention and treatment of shoulder injury.

Recent Findings

The primary conclusion reached through this review is the important role the lower extremity, trunk, and scapular region play in the development of optimal terminal segment acceleration in the overhead throwing and serving motion. Failure of any links in the kinetic chain has implications for shoulder and elbow injury in the overhead athlete. Modifications of traditional shoulder exercises emphasizing activation of the scapular stabilizers and core musculature alongside concomitant rotator cuff activation are recommended and supported in EMG research.

Summary

Future research is needed to further identify risk factors and rehabilitation and prevention strategies and key clinical tests for the overhead athlete. The goal is to elucidate the important role the kinetic chain plays in both performance enhancement and injury prevention for the overhead athlete. Understanding the key role all segments of the kinetic chain play in the complex biomechanical segmental rotations required for high-level throwing and serving will assist clinicians who work with overhead athletes.
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Zurück zum Zitat • Staker JL, Evans AJ, Jacobs LE, et al. The effect of tactile and verbal guidance during scapulothoracic exercises: an EMG and kinematic investigation. J Electromyogr Kinesiol. 2019. https://doi.org/10.1016/j.jelekin.2019.07.004The purpose of this study was to determine if clinician guidance changes scapulothoracic muscle activity and kinematics compared with unguided shoulder exercises with electromyographic (EMG) sensors placed on serratus anterior, upper, and lower trapezius. The study found that verbal and tactile guidance during exercises significantly increases shoulder muscle activity and improves lower trapezius/upper trapezius muscle recruitment. Level of evidence: case-controlled study; Level 3. • Staker JL, Evans AJ, Jacobs LE, et al. The effect of tactile and verbal guidance during scapulothoracic exercises: an EMG and kinematic investigation. J Electromyogr Kinesiol. 2019. https://​doi.​org/​10.​1016/​j.​jelekin.​2019.​07.​004The purpose of this study was to determine if clinician guidance changes scapulothoracic muscle activity and kinematics compared with unguided shoulder exercises with electromyographic (EMG) sensors placed on serratus anterior, upper, and lower trapezius. The study found that verbal and tactile guidance during exercises significantly increases shoulder muscle activity and improves lower trapezius/upper trapezius muscle recruitment. Level of evidence: case-controlled study; Level 3.
Metadaten
Titel
Step by Step Guide to Understanding the Kinetic Chain Concept in the Overhead Athlete
verfasst von
Todd S. Ellenbecker
Ryoki Aoki
Publikationsdatum
14.03.2020
Verlag
Springer US
Erschienen in
Current Reviews in Musculoskeletal Medicine / Ausgabe 2/2020
Elektronische ISSN: 1935-9748
DOI
https://doi.org/10.1007/s12178-020-09615-1

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