Understanding Deltoid Differences: Why Your Shoulder Works the Way It Does

Shoulder Anatomy: Why Understanding Deltoid Differences Matters. A recent TikTok video by scientificsnitch has garnered significant attention for its clear and concise explanation of the differences in the three parts of the deltoid muscle. The video highlights that the anterior deltoid crosses both the acromioclavicular and glenohumeral joints, while the medial and posterior deltoids only cross the glenohumeral joint. This difference is due to their differing attachment points on the scapula and acromion. "This difference in attachment points leads to different biomechanics," explains scientificsnitch in the video. The video uses simple visuals to illustrate the concept, making it accessible to a wide audience. This information is valuable for fitness enthusiasts and healthcare professionals alike. The video's popularity suggests a significant interest in understanding the complexities of shoulder anatomy and training.