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Abdomen/Back
Abdomen/Back Practical
| Question | Answer |
|---|---|
| Rectus Abdominis | O: pubic symphysis I: xiphoid process and costal cartilages A: compresses abdomen, flexes vertebral column |
| External Oblique | O: outer surfaces of lower 8 ribs I: linea alba A: compresses abdomen, flexes vertebral column laterally |
| Internal Oblique | O: iliac crest I: linea alba A: compresses abdomen, flexes vertebral column laterally |
| Diaphragm | O: bottom of rib cage, sternum and lumbar vertebrae I: central tendon A: inspiration |
| External Intercostals | O: inferior border of rib above I: superior border of rib below A: inspiration |
| Internal Intercostals | O: superior border of rib below I: inferior border of rib above A: forced expiration |
| Iliocostalis | O: iliac crest I: ribs A: extend the vertebral column |
| Longissimus | O: transverse processes of lumbar vertebrae I: transverse processes of thoracic vertebrae A: extend the vertebral column |
| Spinalis | O: spinous processes of upper lumbar and lower thoracic vertebrae I: spinous processes of upper thoracic vertebrae A: extend the vertebral column |