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Concept
Serratus Posterior Inferior
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Summary
The
Serratus Posterior Inferior
is a thin, quadrilateral muscle located at the junction of the
Thoracic and lumbar regions
of the back, playing a role in the
Movement of the ribs
and
Aiding respiration
. It helps in
Depressing the lower ribs
, contributing to
Forced Expiration
and
Stabilizing the thoracolumbar fascia
.
Concepts
Thoracolumbar Fascia
Thoracic Vertebrae
Lumbar Vertebrae
Rib Movement
Forced Expiration
Muscle Anatomy
Respiratory Mechanics
Back Muscles
Intercostal Nerves
Serratus Posterior
Back Musculature
Relevant Degrees
Anatomy 70%
Physiology 30%
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