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Relationship Between Pectoralis Minor Length, Subacromial Space, and Pain in Swimmers and Overhead Athletes

Introduction (Context): The purpose of this study was to measure and correlate pectoralis minor length (PML) and acromiohumeral distance (AHD) in male and female collegiate swimmers, overhead athletes, and a control group. Methods: Participants underwent assessment of pain related to impingement syndrome with special tests (painful arc, external rotation resistance, empty can, and Neer's impingement test), as well as range of motion, measurement of PML, and measurement of subacromial space via ultrasound. Design: Cross-sectional, correlational study. Setting: University modalities laboratory. Participants: 60 healthy subjects (20 swimmers, 20 overhead athletes, 20 controls, age = 21.5 ± 2.4 years; height = 178.7 ± 10.2 cm; weight = 76.9 ± 13.4 kg; BMI = 24 ± 3.4) with 20 subjects in each of the 3 experimental groups: swimmers, overhead athletes, and control. Results: Height-normalized PML for both the dominant and nondominant arms was positively and weakly correlated with AHD at 0° (r = .361; p = .002; (r = .277; p = .016) respectively. Differences were shown between groups in AHD at 0° but no differences were shown in PML. Conclusions: There was a weak positive relationship between height-normalized PML and AHD at 0° both in dominant and nondominant shoulders. Swimmers and overhead athletes were observed to have more AHD than controls.

Identiferoai:union.ndltd.org:BGMYU2/oai:scholarsarchive.byu.edu:etd-7977
Date01 August 2017
CreatorsRichards, Erika Jaci
PublisherBYU ScholarsArchive
Source SetsBrigham Young University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceAll Theses and Dissertations
Rightshttp://lib.byu.edu/about/copyright/

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