What is the primary action of the piriform muscle?
Understand the Problem
The question is asking about the primary action of the piriform muscle, which involves identifying which of the given options correctly describes its function.
Answer
Lateral (external) rotation of the hip.
The primary action of the piriformis muscle is lateral (external) rotation of the hip.
Answer for screen readers
The primary action of the piriformis muscle is lateral (external) rotation of the hip.
More Information
The piriformis muscle helps rotate the hip outward, which is important for activities like stepping to the side. It also assists in abducting the thigh and stabilizing the hip joint.
Sources
- Anatomy of the Piriformis Muscle - Spine-health - spine-health.com
- Piriformis Muscle | Complete Anatomy - Elsevier - elsevier.com
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