Pectoralis Major Muscle See the Origin & Insertion of the Pectoralis major Origin: - Clavicular head: Medial half of clavicle - Sternocostal head: Sternum and costal cartilages (1-6) - Abdominal head: Aponeurosis of external oblique muscle Insertion: - Humerus: Crest of greater tubercle 👨‍🎓Learn Anatomy with clear & engaging 3D videos! Thanks for watching The Muscle and Motion team | Muscle and Motion

Unlock the Secrets of Your Chest Muscles with the Standing Chest Press! 💥 Ever wonder how your chest muscles work during a press? Our animation shows the pectoralis major in action as it powers the movement. Our 3D animation reveals the intricate details of how your chest muscles work in real-time, perfect for improving your form and understanding muscle mechanics. 🚀 Want to see how your body moves like never before? Check out the Muscle and Motion Strength Training App - link in bio! #musclea