Serratus anterior muscle . Origin: Outer surface of upper 8 or 9 ribs Insertion: Costal aspect of medial margin of the scapula. . Learn Anatomy with clear & engaging 3D videos! . ☑️ 3D Anatomy of the Muscular System ☑️ 3D Anatomy of the Skeletal System ☑️ 3D Kinesiology . Watch 2000 unique videos of all muscles in the human muscular system – in 3D. @muscleandmotion https://www.muscleandmotion.com/free-trials/ #origininsertion #anatomy #anatomystudy #anatomyteacher #teachinganatomy #muscleandmoti

📸 Check out this captivating video showcasing the serratus anterior muscle and the long thoracic nerve in action! 💪 ⚡️ N𝗡𝗲𝗿𝘃𝗲 𝗮𝗻𝗮𝘁𝗼𝗺𝘆: The long thoracic nerve originates from the anterior rami of C5, C6, and C7. It travels along the rib cage to supply the serratus anterior, ensuring proper innervation and function. 🔎 Did you know that in some individuals, the long thoracic nerve may also receive contributions from the C4 (5%) and C8 (10%) nerve roots?⁉️ ⚠️ Injury to the long thora