hyperfunction of external pterygoid muscle

例句：

1. 1. Thehyperfunction of the external pterygoid muscle is responsible for stabilizing the skull during chewing.
   外颚肌的超功能负责咀嚼时稳定颅骨。
2. 2. The hyperfunction of the externalpterygoid muscle can lead toproblems with jaw joints and teeth alignment.
   外颚肌的超功能可能导致颌关节问题和牙齿排列不齐。
3. 3. In somecases, hyperfunction of the externalpterygoid muscle may be asign of an underlying condition such as temporomandibular joint disorder.
   在某些情况下，外颚肌的超功能可能是颞下颌关节紊乱等潜在病症的迹象。