Reduced humeral torsion predicts throwing-related injury in adolescent baseballers

Whiteley, Rodney; Adams, R. D.; Nicholson, Leslie L.; Ginn, Karen A.

doi:10.1016/j.jsams.2009.06.001

Cited by 59 publications

(93 citation statements)

References 15 publications

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“…This is consistent with increased elastic energy storage in low torsion individuals resulting in higher valgus torques at the elbow (Roach et al, 2013;Roach and Lieberman, 2014). However, recent studies highlight that it is in fact the higher torsion in the non-throwing arm that is driving the statistical association with injury (Whiteley et al, 2010), again calling into question the role of torsion in throwing injury prevalence. In the light of these data, it is very difficult to link injury prevalence to low torsion.…”

Section: A Clinical Digressionmentioning

confidence: 61%

Humeral torsion does not dictate shoulder position, but does influence throwing speed

Roach

Richmond

2015

Journal of Human Evolution

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Section: A Clinical Digressionmentioning

confidence: 61%

Humeral torsion does not dictate shoulder position, but does influence throwing speed

Roach

Richmond

2015

Journal of Human Evolution

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“…The resulting loss of internal shoulder rotation range of motion is considered a contributor to shoulder injuries, and a metric known as glenohumeral internal rotation deficit (GIRDdtypically defined as a 20 or greater loss of internal rotation in the throwing arm compared to the non-throwing arm) has been identified as an injury risk predictor (Burkhart et al, 2003;Dines et al, 2009;Thomas et al, 2010;Whiteley et al, 2010;Myers et al, 2011;Shanley et al, 2011;Wilk et al, 2011Wilk et al, , 2012Kibler et al, 2012;Hibberd et al, 2014). Shanley et al (2011) report that players with GIRD have a 4 to 5 times greater risk of upper limb injury.…”

Section: Measuring Humeral Torsionmentioning

confidence: 99%

Humeral torsion and throwing proficiency in early human evolution

Larson

2015

Journal of Human Evolution

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BackgroundIn their recent paper, "Clavicle length, throwing performance and the reconstruction of the Homo erectus shoulder," Roach and Richmond (2015) test the hypothesis that relative clavicular length predicts scapular position and explore whether or not variation in relative clavicular length in a sample of modern humans from northwestern Kenya is correlated to throwing performance. Since the impetus to undertake these analyses is in part based on supposed claims I have made in my research on hominin shoulder evolution, I feel compelled to correct some misrepresentations they make of my work. The shoulder of H. erectusThe references I have made to relative clavicular length in my investigation of hominin shoulder evolution (Larson et al.

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“…That specific finding echoes previous research in baseball and team handball players. 15,19 Continuing on a similar theme, Whiteside et al 20 used publically available data to compare potential risk factors in 104 Major League Baseball (MLB) pitchers who underwent UCL reconstruction with the same number of uninjured controls. Using a binary logistic regression model, they identified 6 demographic and biomechanical factors associated with this surgery: fewer days between consecutive games, a smaller repertoire of pitches, less pronounced horizontal ball release, smaller stature, faster mean pitch speed, and a greater mean number of pitches per game.…”

mentioning

confidence: 99%