Does the pectoralis minor length influence acromiohumeral distance, shoulder pain-function, and range of movement?
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2018-08Abstract
Objective: To determine the association between pectoralis minor length (PML) and the acromiohumeral
distance (AHD) in the symptomatic (S) and the asymptomatic (A) shoulder of subjects with chronic
shoulder pain, and in shoulder free of pain controls (C). Furthermore, to analyze the relationship between
PML and shoulder pain-function and range of movement (ROM) free of pain.
Design: A cross sectional study.
Setting: Primary care centres.
Participants: A sample of fifty-four participants with chronic shoulder pain in their dominant arm was
recruited, as well as fifty-four participants with shoulder free of pain.
Main outcome measures: PML test and AHD measured by ultrasound.
Results: There was a non statistical significant correlation between PML and AHD for all the groups at
both 0 (S ¼ 0.03, p ¼ 0.29; A ¼ 0.06, p ¼ 0.66; C ¼ 0.17, p ¼ 0.29) and 60 (S ¼ 0.10, p ¼ 0.84;
A ¼ 0.18, p ¼ 0.19; C ¼ 0.03, p ¼ 0.84) of shoulder elevation. Likewise, there was a non statistical
sig...
Palabra/s clave
Chronic pain
Pectoralis muscles
Shoulder pain
Ultrasonics