The buttocks are a good place for intramuscular injections because there are relatively few major blood vessels, nerves and bones that can be damaged by a needle.

• 臀部是进行肌肉注射的理想“场所”，因为经过那里的重要血管、神经及骨骼相对较少，所以针头不会对它们造成什么伤害。