CSDL4 - Anatomy of Respiration Muscles of Expiration...

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Unformatted text preview: Anatomy of Respiration Muscles of Expiration Muscles of Expiration Thorax Abdomen Passive Expiration Back Forced Expiration 1 Internal Intercostal Interosseous Portion O: Inferior margin of ribs 1-11 I: Superior surface of the rib below In: Intercostal nerves Fn: Transversus Thoracis O: Inner thoracic lateral margin of the sternum I: Inner chondral surface of ribs 2-6 2In: Intercostal nerves Fn: 2 Innermost Intercostals O: Inferior margin of ribs 1-11 I: Superior surface of the rib below In: Intercostal nerves Fn: Subcostals O: Inner posterior thorax, from inner surface of rib near the angle I: Inner surface of the 2nd or 3rd rib below In: Intercostal nerves Fn: 3 Serratus Posterior Inferior O: Spinous processes of T11, T12, L1-L3 I: Lower margin of ribs 7-12 In: Intercostal nerves Fn: Abdominal Muscles of Expiration Abdominal aponeurosis Linea alba Tendinous structure that supports most of the abdominal muscles Rectus abdominis muscle Linea semilunaris Lateral line of tendon Runs from the xiphoid process to the pubic symphysis Midline structure for muscular attachment Between the sheets of aponeurosis 4 Abdominal Muscles of Expiration 5 Transversus Abdominis O: Posterior abdominal wall at the vertebral column via the thoracolumbar fascia of the abdominal aponeurosis I: Transversus abdominis aponeurosis and inner surface of ribs 6-12; pubis 6In: Thoracic and lumbar nerves Fn: Internal Oblique Abdominis O: Inguinal ligament and iliac crest I: Cartilaginous portion of lower ribs & portion of the abdominal aponeurosis lateral to the rectus abdominis In: Thoracic & lumbar nerves Fn: 6 External Oblique Abdominis O: Osseous portion of the lower 7 ribs I: Iliac crest, inguinal ligament, abdominal aponeurosis lateral to the rectus abdominis In: Thoracoabdominal nerve Fn: Rectus Abdominis O: 4 or 5 segments at the pubis inferiorly I: Xiphoid process and the cartilages of ribs 5-7, 5lower ribs In: Intercostal nerves Fn: 7 Quadratus Lumborum O: Iliac crest I: Transverse processes of the lumbar vertebrae, inferior border of rib 12 In: Thoracic & lumbar nerves Fn: Latissimus Dorsi O: Lumbar, sacral & lower thoracic vertebrae I: Humerous In: Spinal nerves Fn: 8 ...
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This note was uploaded on 04/10/2008 for the course CSD 315/615 taught by Professor Rachaeldemarco during the Spring '08 term at Syracuse.

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