Evidence map›Paper›PMID 41635587›Full record

ArticleInternational journal of sports physical therapy2026

Influence of Humeral Retrotorsion on Glenohumeral Range of Motion in Healthy Collegiate Softball Players.

Kendall M Henry, Amanda J Arnold, Sean M Kennedy, J Craig Garrison, John E Conway, Natalie L Myers

Abstract read
In one paragraph

Article in International journal of sports physical therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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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.

2 · The registry

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3 · Its place in the literature

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0 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Kendall M HenryMemorial Hermann's Rocket Sports Medicine Institute.
Amanda J ArnoldSchool of Physical Therapy Texas Women's University.
Sean M KennedyAdventHealth Sports Med and Rehab.
J Craig GarrisonMemorial Hermann's Rocket Sports Medicine Institute.
John E ConwayMcGovern School of Medicine University of Texas Health Sciences Center.
Natalie L MyersATI Physical Therapy, Institute for Musculoskeletal Advancement.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Anatomic humeral retrotorsion (aHRT) influences objective measures of glenohumeral external (GER) and internal rotation (GIR) range of motion (ROM) in baseball players. Baseball players often display GER deficits within the context of aHRT; however, this has yet to be studied in a softball population. Hypothesis/Purpose: 1) To determine if there are differences in GER ROM, GIR ROM, total range of motion (TROM), aHRT, relative humeral retrotorsion (rHRT), and HRT-corrected motion between collegiate softball position players and pitchers, 2) to determine if differences exist between GER and HRT-corrected GER and GIR and HRT-corrected GIR in collegiate softball players, regardless of position. Study Design: Retrospective Descriptive Study. Methods: Sixty-three healthy Division I softball players participated. Objective measures of GER, GIR, and aHRT on the throwing arm and non-throwing were collected using a digital inclinometer at various timepoints during the 2023-2024 seasons. TROM, rHRT, and HRT-corrected motions were calculated from objective measurements on the throwing arm and non-throwing arm. Independent Results: There were no significant differences in GER, GIR, TROM, aHRT, rHRT, HRT-corrected GER, and HRT-corrected GIR by player position (p> 0.05). Effect sizes ranged from -0.27-0.57. There were differences in position players between GER (5 ± 8°) and HRT-corrected GER (-11 ± 14°) (p < 0.001) and GIR (-10 ± 10°) and HRT-corrected GIR (6 ± 12°) (p < 0.001). There were differences in pitchers between GER (1 ± 8°) and HRT-corrected GER (-11 ± 11°) (p < 0.001) and GIR (-7 ± 9°) and HRT-corrected GIR (5 ± 10°) (p < 0.001). Conclusion: When glenohumeral ROM is interpreted within the context of rHRT, GIR deficits are not common in softball players. Based on the current findings, it is imperative that rHRT be assessed in all softball players as this information will aid in the identification of true motion restrictions. Level of Evidence: 3.

Indexed as

humeral retrotorsionrange of motionshouldersoftball

Identifiers

PMID41635587
PMCPMC12863447

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.