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The effect of exercise on vastus medialis oblique muscle architecture: An ultrasound investigation.

Khoshkoo, M; Killingback, A; Robertson, CJ; Adds, PJ (2016) The effect of exercise on vastus medialis oblique muscle architecture: An ultrasound investigation. Clinical Anatomy, 29 (6). pp. 752-758. ISSN 0897-3806 https://doi.org/10.1002/ca.22710
SGUL Authors: Adds, Philip James

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Abstract

The vastus medialis oblique (VMO) is thought to be implicated in patellofemoral pain (PFP), and weakness in this portion of the vastus medialis muscle may lead to PFP. Management includes physiotherapy to strengthen the VMO. Although this intervention has been shown to be effective, the effects on the architecture of the muscle have not been investigated. This study aims to determine the changes in VMO architecture following a program of strengthening exercises. Twenty-one male participants underwent an initial ultrasound scan to measure the fiber angle and the insertion level of the VMO on the patella. Each subject then undertook a 6-week quadriceps femoris strengthening program; the scan and measurements were then repeated. A significant increase in VMO fiber angle and insertion length was observed. Average fiber angle increased by 5.24°; average insertion length increased by 2.7 mm. There was found to be a significant negative correlation between the initial values and the degree of change. Pearson's coefficient of correlation for measurements of patella length taken before and after exercise was 0.921, indicating a high degree of reliability. There was a significant positive correlation between fiber angle change and declared level of compliance (R2 = 0.796). The results reported here indicate that physiotherapy leads to a significant change in VMO morphology. Given the inverse correlation noted between initial architectural parameters and the degree of change, we suggest that patients who would benefit most from physiotherapy can be identified in clinic using a simple ultrasound technique.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Khoshkhoo, M., Killingback, A., Robertson, C.J. and Adds, P.J. (2016), The effect of exercise on vastus medialis oblique muscle architecture: An ultrasound investigation. Clin. Anat., 29: 752–758., which has been published in final form at http://dx.doi.org/10.1002/ca.22710. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
Keywords: Anatomy & Morphology, 1116 Medical Physiology, 1103 Clinical Sciences
SGUL Research Institute / Research Centre: Academic Structure > Institute of Medical & Biomedical Education (IMBE)
Academic Structure > Institute of Medical & Biomedical Education (IMBE) > Centre for Biomedical Education (INMEBE)
Journal or Publication Title: Clinical Anatomy
ISSN: 0897-3806
Language: ENG
Dates:
DateEvent
5 August 2016Published Online
28 February 2016Accepted
1 September 2016Published
Publisher License: Publisher's own licence
PubMed ID: 26940378
Go to PubMed abstract
URI: https://openaccess.sgul.ac.uk/id/eprint/107769
Publisher's version: https://doi.org/10.1002/ca.22710

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