The Efficacy of Muscle Energy Technique and Integrated Neuromuscular Inhibition Technique on Upper Trapezius Trigger Point Release in Subjects with Non Specific Neck Pain- a Comparative Study

Abstract

Background
There are many potential contributing factors to non-specific neck pain, one area that has received scientific emphasis is the trigger point (TrP). TrPs have the potential to create pain, limit ROM and hence should be treated effectively. There is a dearth of evidence regarding the integration of techniques like ischemic compression and SCS in individuals with non-specific neck pain. For this reason, the study was carried out to check the combined effect of these techniques in subjects on TrPs with Nonspecific neck pain.
Aim
To compare the effect of Muscle Energy Technique (MeT) and Integrated Neuromuscular Technique (INIT) on upper trapezius trigger points in subjects with non-specific neck pain.
Method
The study was carried over a period of 2 weeks with 30 samples selected on random basis. The subjects were randomly divided into two groups of fifteen each. Group A received muscle energy techniques while the Group B received an Integrated neuromuscular inhibition technique (INIT). Outcomes measures included a visual analog pain scale (VAS), cervical goniometer to measure the range of cervical lateral flexion (both sides) & cervical contralateral rotation range of motion (ROM) which were collected at baseline and 4weeks post therapy.
Result
Within group analysis was done using Paired t test & between group analysis was done using unpaired t test. Results revealed large pre–post-effect sizes within the INIT group. The two-tailed P value was <0.001 for both the outcome measures. Also, significantly greater improvements in lateral cervical flexion ROM & pain were detected in favor of the INIT group (P value < 0.05) at df =27).                                                                                                                                                                                                                                                                                                   Conclusion
The Integrated Neuromuscular Inhibition Technique (INIT) was more effective in relieving pain and improving cervical range of motion (cervical ipsilateral & contra lateral side flexion) as compared to the Muscle Energy Technique (METs).
Abbreviations: TrP- Trigger point; INIT- Integrated Neuromuscular Inhibition Technique; MET- Muscle Energy technique; SCS- Strain Counterstrain Technique; VAS – Visual Analogue scale; ROM-Range of motion