Serratus posterior inferior muscle
Interactive Video
•
Health Sciences, Biology
•
University - Vocational training
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Practice Problem
•
Hard
Wayground Content
FREE Resource
This tutorial covers the serratus posterior inferior muscle, detailing its origin, insertion, nerve supply, and functions. The muscle originates from the spinous processes of T11 to L2 vertebrae and inserts on the lower ribs. It is supplied by intercostal nerves T9 to T12 and aids in thoracic movement and expiration. The video concludes with a call to explore more anatomy resources.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain the nerve supply of the serratus posterior muscles.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What role does the serratus posterior inferior muscle play during expiration?
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