The right medial pterygoid muscle, a muscle of mastication, is stretched by depressing and ipsilaterally deviating (deviating to the same side) the mandible at the temporomandibular joints (TMJs).
![The right medial pterygoid muscle, a muscle of mastication, is stretched by depressing and ipsilaterally deviating (deviating to the same side) the mandible at the temporomandibular joints (TMJs).](https://learnmuscles.com/wp-content/uploads/2017/10/f01-07-A05170-768x1024.jpg)
The right medial pterygoid muscle, a muscle of mastication, is stretched by depressing and ipsilaterally deviating (deviating to the same side) the mandible at the temporomandibular joints (TMJs).