How to strap for a sternoclavicular (SC) Joint injury. The SCJ connects your collarbone (clavicle) to your breastbone (sternum) — it’s the only true joint linking your upper limb to your trunk. 💪 It allows movements of the shoulder girdle like elevation, depression, and rotation — crucial for overhead and athletic motions. 🏉🏀 ⚡ Common Mechanism of Injury: 👉 Direct impact to the chest or shoulder (e.g. rugby tackle or fall). 👉 Force transmitted along the clavicle during contact. These injuri