3.

咀嚼肌肌电活动的数据分析

Analysis of electromyogram of masticatory muscles

Muscle and kinetics	Preoperative/μV, median (min, max)	Postoperative/μV, median (min, max)
MVC, maximal voluntary clenching;UM, unaffected masseter; AM, affected masseter; UT, unaffected temporalis; AT, affected temporalis.
Relax
UM	3.90 (2.30, 7.60)	8.00 (5.60, 11.00)
AM	4.50 (2.00, 5.70)	5.20 (4.90, 6.00)
UT	8.15 (4.10, 21.80)	5.60 (3.20, 7.80)
AT	9.85 (5.80, 59.20)	5.90 (5.90, 7.00)
MVC
UM	45.60 (7.50, 235.40)	77.80 (53.50, 95.00)
AM	44.20 (5.70, 197.90)	65.20 (13.70, 103.90)
UT	63.30 (44.10, 126.70)	34.90 (28.80, 165.60)
AT	42.15 (22.90, 155.00)	19.90 (13.90, 371.80)