ArticleJournal of athletic training2018
Swimming Practice and Scapular Kinematics, Scapulothoracic Muscle Activity, and the Pressure-Pain Threshold in Young Swimmers.
Article in Journal of athletic training, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 7 citations in OpenAlex.
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Authors and funding
4 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
contextWhereas alterations in scapular kinematics, scapulothoracic muscle activity, and pain sensitivity have been described in adult swimmers, no researchers have examined these outcomes in young swimmers.
objectivesTo compare scapular kinematics, scapulothoracic muscle activation, and the pressure-pain threshold (PPT) of the shoulder muscles among young nonpractitioners (those who were not involved in sports involving the upper limbs), amateur swimmers, and competitive swimmers.
designCross-sectional study.
settingLaboratory. PATIENTS OR OTHER
participantsA total of 90 individuals (age = 11.63 ± 0.61 years) in 3 groups: nonpractitioners, amateur swimmers, and competitive swimmers. INTERVENTION(S): Scapular kinematics and activity of the upper trapezius, lower trapezius, and serratus anterior (SA) were measured during upper extremity elevation in the scapular plane. The PPT was assessed in the upper trapezius, infraspinatus, supraspinatus, middle deltoid, and tibialis anterior. MAIN OUTCOME MEASURE(S): Scapular kinematics, scapulothoracic muscle activation, and PPT. We conducted a 2-way mixed-model analysis of variance and a 1-way analysis of variance for scapular rotation and PPT, respectively. A Kruskal-Wallis test was used to assess muscle activity. The α level was set at .05.
resultsCompetitive swimmers presented more internal rotation at 90° ( P = .03) and 120° ( P = .047) and more anterior tilt at 90° ( P = .03) than nonpractitioners. Amateur swimmers demonstrated more anterior tilt at 90° ( P = .004) and 120° ( P = .005) than nonpractitioners. Competitive swimmers had greater SA activation in the intervals from 60° to 90° ( P = .02) and 90° to 120° ( P = .01) than amateur swimmers. They also displayed more SA activation in the interval from 90° to 120° than nonpractitioners ( P = .04). No differences were found in any of the muscles for the PPT ( P > .05).
conclusionsYoung competitive swimmers presented alterations in scapular kinematics and scapulothoracic muscle activation during upper extremity elevation that may be due to sport practice. Mechanical pain sensitivity was not altered in young swimmers.
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