The Details of Differences in the Levator Scapulae Muscle: A Dissection Based Cadaveric Study

Smit, Jan H. T. and Todd, Matthew R. H. (2020) The Details of Differences in the Levator Scapulae Muscle: A Dissection Based Cadaveric Study. In: Emerging Research in Medical Sciences Vol. 4. B P International, pp. 112-123. ISBN 978-93-89816-57-0

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Abstract

Although the levator scapula muscle is surrounded with the deep cervical fascia as a single muscle
unit, the muscle can be separated into a number of muscle slips at the proximal cervical attachment.
Originally the muscle was described as having 3 muscle slips at its cervical origin. More recent
textbook reports have now adopted 4 slips of origin as normal. Each muscle slip coming from a
different cervical vertebra. Levator scapulae muscles are important in myofascial pain syndrome,
which is one of the leading causes of neck- and shoulder pain. Surgically it can also be used to
overcome trapezius muscle paralysis. Anatomical variations of the levator scapulae are important and
therefore clinically relevant. With this cadaveric study, we have investigated the morphometric
differences in 46 levator scapulae muscles from 23 cadavers. Measurements of the proximal- and
distal attachments and the total length of the muscles were taken. Three muscle slips at the origin
were reported in 7 cases. Four slips of origin were reported in 28 cases. Five slips of origin were
reported in 10 cases and the first case of six muscle slips of origin was reported in one cadaver in this
study. Many differences were also observed between the muscles on the two sides.

Item Type: Book Section
Subjects: Science Global Plos > Medical Science
Depositing User: Unnamed user with email support@science.globalplos.com
Date Deposited: 23 Nov 2023 06:46
Last Modified: 23 Nov 2023 06:46
URI: http://ebooks.manu2sent.com/id/eprint/2209

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