ANG-Department of Anatomy-Fudan University Intramuscular injection of hip Intramuscular injection of shoulder upper outer quadrant buttock sciatic ner ve Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Intramuscular injection of hip Intramuscular injection of shoulder buttock