Actions
The quadratus lumborum can perform four actions:
- Lateral flexion of vertebral column, with ipsilateral contraction
- Extension of lumbar vertebral column, with bilateral contraction
- Fixes the 12th rib during forced expiration
- Elevates ilium, with ipsilateral contraction
Read more about this topic: Quadratus Lumborum Muscle
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“But they who are unconcerned about the consequences of their actions are not therefore unconcerned about their actions.”
—Henry David Thoreau (1817–1862)
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