When the dynamic stabilizing forces of the rotator cuff are removed from the glenohumeral joint in a cadaver model there is a significant increase in superior and anterior migration of the humeral head during elevation which would lead to impingement. 3541-42 Downward compressive forces of the inferior rotator cuff are necessary to neutralize the upwardly.
An Anatomic Investigation Of The Serratus Posterior Superior And Serratus Posterior Inferior Muscles Springerlink
The muscle of this region that is important in breathing is the serratus anterior.
. To perform clinical clinical orthopedic manual. Thus he seems to be describing what is currently termed the deep lamina of the. 2017 Elsevier should be consulted.
The scalenus medius is the most significant for breathing in this group. Muscles of the Lumbar Spine. This blog post article is an overview of the muscles of the lumbar spine of the trunk.
The scalenus posterior passes from the posterior tubercles of the transverse process of C4-6 to the second rib. Wood Jones 1946 described the PLF what he terms the layer deep to the attachments of the LD and SPI as becoming very thin and passing upward under the serratus posterior superior to eventually blend with the fascia surrounding the splenius muscles in the cervical region. For more complete coverage of the structure and function of the low back and pelvis The Muscular System Manual The Skeletal Muscles of the Human Body 4th ed.
Therefore it helps elevate the second rib.
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