Which factor is directly linked to SI fixation?

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Multiple Choice

Which factor is directly linked to SI fixation?

Explanation:
Ligament adhesions are the direct link to SI fixation. The sacroiliac joint relies on its ligaments to provide stability while allowing only a small amount of glide. When those ligaments become adherent and fibrotic after injury or inflammation, they tether the joint and prevent normal motion, producing fixation. Edema indicates inflammation but doesn’t by itself lock the joint. Myospasm can worsen perceived stiffness but isn’t the mechanical cause of fixation. Disc degeneration involves spinal discs and not the SI joint itself, so it isn’t directly responsible for sacroiliac fixation.

Ligament adhesions are the direct link to SI fixation. The sacroiliac joint relies on its ligaments to provide stability while allowing only a small amount of glide. When those ligaments become adherent and fibrotic after injury or inflammation, they tether the joint and prevent normal motion, producing fixation. Edema indicates inflammation but doesn’t by itself lock the joint. Myospasm can worsen perceived stiffness but isn’t the mechanical cause of fixation. Disc degeneration involves spinal discs and not the SI joint itself, so it isn’t directly responsible for sacroiliac fixation.

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