2016
DOI: 10.1123/jsr.2014-0260
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The Effect of Glenohumeral Internal-Rotation Deficit on Functional Rotator-Strength Ratio in Adolescent Overhead Athletes

Abstract: As GIRD has an adverse effect on functional ratio of the shoulder-rotator muscles, interventions for adolescent overhead athletes should include improving GH-rotation range of motion.

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Cited by 41 publications
(57 citation statements)
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“…The higher functional strength ratio found in this study for women over men reflects a greater external rotator eccentric muscle strength than in the internal rotator concentric muscles found in women, and therefore a greater shoulder joint stability. Despite the functional strength ratio, a risk factor for injury has been demonstrated in handball players, where a shoulder FR higher than 1.0 has been suggested for all overhead athletes [59,60].…”
Section: Discussionmentioning
confidence: 99%
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“…The higher functional strength ratio found in this study for women over men reflects a greater external rotator eccentric muscle strength than in the internal rotator concentric muscles found in women, and therefore a greater shoulder joint stability. Despite the functional strength ratio, a risk factor for injury has been demonstrated in handball players, where a shoulder FR higher than 1.0 has been suggested for all overhead athletes [59,60].…”
Section: Discussionmentioning
confidence: 99%
“…It has been proposed that the eccentric action of the antagonist muscle should be greater than the concentric action of the agonist, so the antagonist is able to decelerate the movement. Functional strength ratio values of 1.0 or greater have therefore been proposed as a training goal .…”
Section: Discussionmentioning
confidence: 99%
“…In der Literatur wird nur ungenügend beschrieben, ob mit der Dehnung die Beweglichkeit verbessern werden kann. Auffällig bei einem GIRD ist zudem das ungünstige Kräfteverhältnis der IR und AR [40]. Durch das Rehabilitationsprogramm bei Schulterproblemen von Wilk et al [31] Die IR zeigt zwischen der Schienen-(Median = 12,17) und Nicht-Schienengruppe (Median = 12,10) keinen signifikanten Unterschied auf (U = 33 000, p = 0,36).…”
Section: Methodsunclassified
“…Für viele Overhead Athletes ist der beim GIRD-Syndrom auftretende anhaltende Kraftverlust problematisch, da er sie bei Training und Wettkämpfen beeinträchtigt. Klinische Studien konnten diesen Kraftverlust eindeutig nachweisen [1,7].…”
Section: Messung Der Statischen Kraft (Manuelle Muskeltests Mmt)unclassified