Measurement of scapular prominence in symptomatic dyskinesis using a novel scapulometer: reliability and the relationship to shoulder dysfunction

Huang, Tsung-Hui; Chen, Wen-Jou; Du, Wan-Yu; Lin, Jiu-Jenq

doi:10.1016/j.jse.2020.01.069

Cited by 5 publications

(4 citation statements)

References 27 publications

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“…However, our investigation indicated decreased UT activation during the late cocking and acceleration phases in pitchers with SD. Having reviewed the literature, we believe that the age and level of competition of the population, as well as differences in movement tasks and functional outcomes, may contribute to the variety of scapular muscle recruitment strategies and different relationships among SD, associated muscle activation, and shoulder function [9,19,[34][35][36]. Thus, the finding of decreased UT activation during pitching in the SD group should have practical significance for future investigations of shoulder rehabilitation for this specific population.…”

Section: Discussionmentioning

confidence: 99%

Pitching Biomechanics and Shoulder Function in Baseball Pitchers with Scapular Dyskinesis

et al. 2023

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The primary purpose was to investigate the influence of scapular dyskinesis (SD) on pitching biomechanics and shoulder function in high school baseball pitchers. The secondary purpose was to identify possible factors associated with shoulder function in pitchers with SD. Thirty-eight pitchers were classified into the SD group (n=26) or the non-SD group (n=12). They were evaluated with the Kerlan-Jobe Orthopaedic Clinic shoulder and elbow (KJOC) scale and clinical measurements of shoulder characteristics, and with measurements of scapular kinematics, muscle activation, and ball speed during fastball pitching. Compared to the controls, the pitchers with SD had less scapular external rotation (difference=11.3 degrees, ES=0.92, p=0.012) during overall pitching and less upper trapezius (UT) activation during the late cocking (difference=7.1%, ES=0.79, p=0.019) and acceleration phases (difference=12.5%, ES=0.75, p=0.035). Higher UT activation during the late cocking phase was significantly associated with higher KJOC scores (standardized β=0.415, p=0.039). In conclusion, deficits in scapular external rotation and decreased UT activation during pitching were found in pitchers with SD. Higher UT activation may be important for shoulder function in pitchers with SD.

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Section: Discussionmentioning

confidence: 99%

Pitching Biomechanics and Shoulder Function in Baseball Pitchers with Scapular Dyskinesis

et al. 2023

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“…Future studies are recommended to use reliable tools for measuring scapular rotations. Recent evidence indicated an excellent reliability using scapulometer when measuring scapular internal/external rotation and anterior/posterior tilt [ 75 ]. This could be a possible appropriate tool for future studies.…”

Section: Discussionmentioning

confidence: 99%

Association between changes in pain or function scores and changes in scapular rotations in patients with subacromial shoulder pain: a prospective cohort study

2022

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Background Scapular dyskinesis is reported as one of the potential factors contributing to the presentation of pain in subacromial shoulder pain. In clinical practice, the evaluation and control of scapular dyskinesis is considered important for managing the subacromial shoulder pain. The aim is to determine the association between changes in pain or function and changes in scapular rotations in participants with subacromial shoulder pain. Method Pain, function and scapular rotations were measured in 25 participants with subacromial shoulder pain at baseline and after 8 weeks. Pain was measured with Numeric Pain Rating Scale (NPRS) and function was measured with Patient Specific Functional Scale (PSFS). Scapular rotations were measured with a scapular locator at 60°, 90° and 120° of scapular arm elevation. Spearman rank correlations (rs) were used to assess the association between variables. Findings No association was observed between changes in pain or function scores with changes in scapular upward/downward rotations (rs = 0.03 to 0.27 for pain and − 0.13 to 0.23 for function) and scapular anterior/posterior tilt (rs = − 0.01 to 0.23 for pain and − 0.13 to 0.08 for function) of arm at 60°, 90° and 120° elevation. Data associated with scapular internal/external rotation was not reported due to low reliability. Conclusion These findings reject associations between changes in pain or function scores and scapular rotations. Future observational study is warranted using a multifactorial approach to understand potential factors that contribute to the presentation of subacromial shoulder pain.

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“…Scapular dyskinesis (SD) is a disorder that is frequently linked to shoulder disease but can also exist in people who have no symptoms (1). It might be a coping mechanism to lessen pain and enhance shoulder functionality (2). Scapular dyskinesis is the medical term for the condition when the scapula moves or functions.…”

Section: Introductionmentioning

confidence: 99%

“…) shows descriptive data for the entire sample, while Table(2) shows descriptive data for several groups and demonstrates baseline homogeneity between groups. The frequency distribution and chi-squared test of hand dominance and sex distribution between the four groups are shown in Table(3), and this test revealed no disparity between the groups.While the posterior scapula tilting at the active humeral elevation position of the four groups as shown in table (4) demonstrated statistical crystalclear variations between groups.Table (5) displayed the results of the Kruskal-Wallis test for the four groups' biomechanical work-related elements, while Table (6) displayed the results of the test for the groups' psychosocial and environmental work-related components.…”

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confidence: 99%

Prevalence of Scapular Dyskinesis in Working Dentists: An Epidemiological Study

Amin

2023

Egyptian Journal of Physical Therapy

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Purpose: Assessing and evaluating the prevalence of Scapular dyskinesis among working dentists is the primary priority of the current study. Methods: Both analytical and quantitative cross-sectional investigation was done in a spectrum of 108 dentists of both sexes with ages between 30 and 50 with normal BMI, no history of fractures, surgery, or shoulder impingement, who did not play music or engage in physical exercises like tennis, basketball, or volleyball. The cases were recruited and randomly assigned to four equal groups. The Salutogenic health indicator scale (SHIS), a modified version of the Standardized Nordic Questionnaire, was used to assess the risk factors for scapular dyskinesis. A modified digital inclinometer for measuring the posterior tilting of the scapula during humeral elevation at rest at angles of 45°, 90°, and 120°. Results: Between the four groups, a statistically significant decline in SHIS scores was apparent, and their dominant side was more likely to exhibit scapular dyskinesis. Conclusion: Dentists frequently experience scapular dyskinesis, which can result from overuse, weakness, poor posture, or any combination of these factors. Hence, guiding dentists about proper posture while working and encouraging them to regularly undertake scapular muscle stretching and strengthening exercises would aid in minimizing early muscular fatigue, pain, and scapular dysfunction.

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Measurement of scapular prominence in symptomatic dyskinesis using a novel scapulometer: reliability and the relationship to shoulder dysfunction

Cited by 5 publications

References 27 publications

Pitching Biomechanics and Shoulder Function in Baseball Pitchers with Scapular Dyskinesis

Pitching Biomechanics and Shoulder Function in Baseball Pitchers with Scapular Dyskinesis

Association between changes in pain or function scores and changes in scapular rotations in patients with subacromial shoulder pain: a prospective cohort study

Prevalence of Scapular Dyskinesis in Working Dentists: An Epidemiological Study

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