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Serratus Posterior Inferior (Noun)

Meaning

A thin quadrilateral muscle at the junction of the thoracic and lumbar regions; acts to counteract the pull of the diaphragm on the ribs to which it is attached.

Classification

Nouns denoting body parts.

Examples

  • The serratus posterior inferior muscle functions by exerting an upward pull on the lower border of the ninth to the eleventh ribs.
  • During inhalation the serratus posterior inferior muscle helps the elevation of the lower border of the lung.
  • It often seems like there is both an easy and a challenging way to use one's serratus posterior inferior muscle group on a rowing machine.
  • Serratus posterior inferior, rhomboids and the trapezius muscle originate from the midline on the dorsal thoracic spine and the external occipital protuberance.
  • This group of nerves includes branches innervating the serratus posterior inferior and also connective tissue that innervates this muscle from the thoracic region.

Hypernyms

  • Serratus Posterior
  • Musculus Serratus Posterior
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