An age- and gender-related three-dimensional analysis of rotator cuff transverse force couple volume ratio in 304 shoulders

Purpose The rotator cuff transverse force couple (RCTFC) is fundamental in the shoulder biomechanics, as the balance of its muscle components (the subscapularis relative to the infraspinatus and teres minor) provides stability to the joint. The chronic progression of rotator cuff tears usually prese...

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Bibliographic Details
Published in:Surgical and radiologic anatomy (English ed.) 2017-02, Vol.39 (2), p.127-134
Main Authors: Espinosa-Uribe, Abraham Guadalupe, Negreros-Osuna, Adrian Antonio, Gutierréz-de la O, Jorge, Vílchez-Cavazos, Félix, Pinales-Razo, Ricardo, Quiroga-Garza, Alejandro, Elizondo-Riojas, Guillermo, Elizondo-Omaña, Rodrigo Enrique, Guzmán-López, Santos
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Aged
Aged, 80 and over
Anatomic Bases of Medical
Anatomy
Anatomy & physiology
Cross-Sectional Studies
Female
Humans
Imaging
Male
Medicine
Medicine & Public Health
Middle Aged
Muscular Atrophy - physiopathology
Muscular system
Orthopedics
Pathology
Radiological and Surgical Techniques
Radiology
Retrospective Studies
Rotator Cuff - anatomy & histology
Rotator Cuff - diagnostic imaging
Rotator Cuff - pathology
Rotator Cuff Injuries - diagnostic imaging
Rotator Cuff Injuries - physiopathology
Sex Factors
Shoulder Joint - anatomy & histology
Shoulder Joint - diagnostic imaging
Shoulder Joint - physiopathology
Skeletal system
Surgery
Three dimensional imaging
Tomography
Tomography, X-Ray Computed
Young Adult
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Summary:Purpose The rotator cuff transverse force couple (RCTFC) is fundamental in the shoulder biomechanics, as the balance of its muscle components (the subscapularis relative to the infraspinatus and teres minor) provides stability to the joint. The chronic progression of rotator cuff tears usually present alterations in muscle volume, along with atrophy and compensatory hypertrophy, which can be determined using imaging techniques. The aim of this study was to quantify RCTFC muscle volume in a large sample taking into account the age and gender of the participants involved. Methods An observational, retrospective, cross-sectional, descriptive and comparative study was conducted, evaluating thoracic computed tomography scans from 152 patients (304 shoulders) of indistinct gender, with ages ranging between 18 and 85 years. The RCTFC muscle volume was quantified with an oblique/multiplanar segmentation technique. Measuring time was also documented. Results We observed that muscle volume decreases among the different age ( p  
ISSN:0930-1038
1279-8517
DOI:10.1007/s00276-016-1714-x