Bone landmark suprasternal notch(胸骨上切迹) clavicle(锁骨) Manubrium sterni(胸骨柄) Sternal angl e(胸骨角) Louis angle suprabdominal angle(腹上角) xiphoid process(剑突) Ribs interspaces scapula(肩胛骨) spinous process棘突 costolspinal angle(肋脊角)Bone landmark • suprasternal notch(胸骨上切迹) • clavicle（锁骨） • Manubrium sterni(胸骨柄) • Sternal angle(胸骨角) Louis angle • suprabdominal angle(腹上角) • xiphoid process(剑突) • Ribs & interspaces • scapula(肩胛骨) • spinous process(棘突) • costolspinal angle(肋脊角)