Quadratus Lumborum Muscle - Actions

Actions

The quadratus lumborum can perform four actions:

  1. Lateral flexion of vertebral column, with ipsilateral contraction
  2. Extension of lumbar vertebral column, with bilateral contraction
  3. Fixes the 12th rib during forced expiration
  4. Elevates ilium, with ipsilateral contraction

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Famous quotes containing the word actions:

    One will seldom go wrong in attributing extreme actions to vanity, moderate ones to habit, and petty ones to fear.
    Friedrich Nietzsche (1844–1900)

    But they who are unconcerned about the consequences of their actions are not therefore unconcerned about their actions.
    Henry David Thoreau (1817–1862)

    To be told that our child’s behavior is “normal” offers little solace when our feelings are badly hurt, or when we worry that his actions are harmful at the moment or may be injurious to his future. It does not help me as a parent nor lessen my worries when my child drives carelessly, even dangerously, if I am told that this is “normal” behavior for children of his age. I’d much prefer him to deviate from the norm and be a cautious driver!
    Bruno Bettelheim (20th century)