With an anterior pelvic tilt, more weight-bearing responsibility is placed on the _____.

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Multiple Choice

With an anterior pelvic tilt, more weight-bearing responsibility is placed on the _____.

An anterior pelvic tilt pushes the lumbar spine into more extension (increased lordosis). In this extended position, the facet joints (the joints between the vertebrae at the back) become the primary load-bearing structures because they transmit compressive forces across the posterior elements and guide/extenuate motion in extension. The discs are less responsible for bearing the load in this posture compared to when the spine is in flexion, and ligaments contribute to stability but aren’t the main weight-bearing surfaces. So, the facets carry more of the weight in an anterior pelvic tilt.

An anterior pelvic tilt pushes the lumbar spine into more extension (increased lordosis). In this extended position, the facet joints (the joints between the vertebrae at the back) become the primary load-bearing structures because they transmit compressive forces across the posterior elements and guide/extenuate motion in extension. The discs are less responsible for bearing the load in this posture compared to when the spine is in flexion, and ligaments contribute to stability but aren’t the main weight-bearing surfaces. So, the facets carry more of the weight in an anterior pelvic tilt.

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