National Academy of Sports Medicine (NASM) Certified Personal Trainer (CPT) Practice Exam 2025 – All-in-One Guide to Ace Your Certification!

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Which subsystem creates a fascial bridge across the sacroiliac joint?

Deep longitudinal subsystem

Posterior oblique subsystem

The posterior oblique subsystem is responsible for creating a fascial bridge across the sacroiliac joint. This subsystem comprises muscles such as the gluteus maximus and the contralateral latissimus dorsi, which work together to stabilize the pelvis and low back region during activities.

The fascial bridge that forms across the sacroiliac joint aids in transferring forces between the upper and lower body, enhancing overall stability and movement efficiency. This is particularly crucial during walking or running, where the ability to transfer forces efficiently can improve performance and reduce the risk of injury.

Other subsystems like the deep longitudinal subsystem, anterior oblique subsystem, and lateral subsystem have distinct roles related to posture, rotational movements, or lateral stability; however, they do not specifically create this fascial connection across the sacroiliac joint as the posterior oblique subsystem does.

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Anterioir oblique subsystem

Lateral subsystem

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