Comparing shoulder proprioception, upper extremity dynamic stability, and hand grip strength in overhead athletes with and without scapular dyskinesis.

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  • Additional Information
    • Source:
      Publisher: Churchill Livingstone Country of Publication: United States NLM ID: 9700068 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-9283 (Electronic) Linking ISSN: 13608592 NLM ISO Abbreviation: J Bodyw Mov Ther Subsets: MEDLINE
    • Publication Information:
      Original Publication: New York : Churchill Livingstone, c1996-
    • Subject Terms:
      Proprioception*/physiology ; Scapula*/physiopathology ; Hand Strength*/physiology; Humans ; Cross-Sectional Studies ; Male ; Young Adult ; Adult ; Female ; Dyskinesias/physiopathology ; Shoulder Joint/physiopathology ; Shoulder Joint/physiology ; Range of Motion, Articular/physiology ; Athletes ; Upper Extremity/physiopathology
    • Abstract:
      Introduction: Scapular dyskinesis is prevalent among asymptomatic athletes, particularly those involved in overhead activities, and can significantly impact their neuromuscular control. These changes may impair upper extremity function and strength, elevating the risk of injury. Therefore, it is imperative to investigate how scapular dyskinesis affects shoulder proprioception, upper extremity dynamic stability, and hand grip strength in overhead athletes. This study compared these parameters between overhead athletes with and without scapular dyskinesis.
      Methods: The study included twenty asymptomatic professional overhead athletes with scapular dyskinesis and twenty without scapular dyskinesis, identified using the lateral scapular slide test. In this cross-sectional study, shoulder active joint position sense, serving as shoulder proprioception, was measured using an isokinetic dynamometer. Upper extremity dynamic stability and hand grip strength were evaluated using an upper quarter modified star excursion balance test (UQ-mSEBT) and a handheld dynamometer.
      Results: The study found that the shoulder active joint position sense was significantly lower in the scapular dyskinesis group compared to the group without scapular dyskinesis (P External Rotation  = 0.003, P Internal Rotation < 0.001, and P Forward Flexion  = 0.002). However, the two groups had no significant differences in UQ-mSEBT and hand grip strength scores.
      Conclusions: The results showed that scapular dyskinesis could affect the sense of shoulder active joint position among asymptomatic overhead athletes. However, it did not affect their upper extremity dynamic stability and hand grip strength.
      Competing Interests: Declaration of competing interest Declarations of interest: none.
      (Copyright © 2024 Elsevier Ltd. All rights reserved.)
    • Contributed Indexing:
      Keywords: Hand grip strength; Overhead athletes; Scapular dyskinesis; Shoulder proprioception; UQ-mSEBT; Upper extremity function
    • Publication Date:
      Date Created: 20240614 Date Completed: 20240614 Latest Revision: 20240614
    • Publication Date:
      20240615
    • Accession Number:
      10.1016/j.jbmt.2024.03.001
    • Accession Number:
      38876643