肌筋膜痛功能紊乱综合症(MPO)的主要症状是弹响,张口受限,咀嚼肌群触痛以及颞颌关节区及其周围疼痛。这些症状被认为是由咀嚼肌活动不协调产生的。翼外肌是张口、前伸和侧运动的主要肌肉,同时在颞颌关节运动中起稳定和引导关节各组成部份的作用。提肌(嚼肌、颞肌和翼内肌)起拮抗安定作用,在张口早期松弛,在 The main symptoms of myofascial dysfunction syndrome (MPO) are snapping, limited mouth opening, tenderness in the muscles of the masticator and pain in the temporomandibular joint area and its surroundings. These symptoms are believed to result from uncoordinated masticatory muscle activity. Pterygoid muscle is the mouth of the mouth, anterior and lateral motion of the main muscles, at the same time in the temporomandibular joint movement from the stability and guidance of the various components of the joint role. Levator muscle (chewing muscle, temporal muscle and wing muscle) play a role in antagonistic stability, relaxation in the early mouth, in the mouth