About this trial
To determine the Effects of Mime Therapy with and without Neural Mobilization on Facial symmetry, Synkinesis and Functional abilities in Patients with Bell's Palsy.
It has been proven that Mime therapy is effective on activating muscles through articulation exercises, facial expression exercises, breathing exercises and facial massages which can alleviate synkinesis, enhance facial symmetry and promote facial functional abilities. On the other hand, facial neural mobilization has recently reported as a safe and effective adjunctive therapy for patients with Bell's palsy due to the facilitation of nerve gliding in the canal impacts by reducing nerve adherence dispersion of noxious inflammatory agents and increasing neural blood supply. So, by incorporating the Neural mobilization with Mime therapy, therapist may enhance overall facial symmetry, reduce the strain on the facial muscles and alleviate synkinesis. So, it may prove to be an upgraded treatment option for clinicians.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
None
Trial design
Parallel
Treatments tested in this trial
Mime Therapy with Neural Mobilization
Other interventionExperimental group will receive mime therapy and neural mobilization session with small resting intervals. Self- facial massages for 10 minutes. Breathing and relaxation exercises for 5 mins. Exercises to enhance coordination between both sides of the face and to reduce synkinesis. Exercises to assist with eye and lip closure for 5 mins. Articulation Exercises for 5 mins. Facial expression exercises for 10 mins. Facial Neural Mobilization: Facial mobilization technique will apply when the patient in supine position with head on the table in neural rotation. The circular movement and horizontal traction will be applied 25 times in three sets with a 5-second rest period in between a single manipulation and a 30- second rest period in between the sets. All the participates in the experimental group will receive 15 treatment sessions. Each session will held for 60 minutes per day, 5 days per week, for total duration of 3 weeks.
Mime Therapy with Placebo Mobilization
Other interventionControl group will receive mime therapy and placebo nerve mobilization session with small resting intervals. Self- facial massages for 10 minutes. Breathing and relaxation exercises for 5 mins. Exercises to enhance coordination between both sides of the face and to reduce synkinesis. Exercises to assist with eye and lip closure for 5 mins. Articulation Exercises for 5 mins. Facial expression exercises for 10 mins. Placebo Nerve Mobilization Technique: The placebo nerve mobilization followed all the procedures of real nerve mobilization without applying horizontal and circular auricular traction. The purpose of this placebo nerve mobilization is not to deprived the control group from therapy and equalize the time duration of treatment protocol. All the participates in the control group will receive 15 treatment sessions. Each session will held for 60 minutes per day, 5 days per week, for total duration of 3 weeks.
Treatment groups
Trial outcomes
Primary outcomes
Sunny brook facial grading system
Facial symmetry was measured using the 13-item SFGS. The system includes three components: resting symmetry, the symmetry of voluntary movements, and synkinesis. A composite facial symmetry score is calculated as \[4 × symmetry of voluntary movement - 5 × resting asymmetry + 1 × synkinesis\] with 100 representing normal facial symmetry. The SFGS is as reliable when applied by novice users as by expert users. Researchers are using this method more frequently because it has been demonstrated to be repeatable, to have minimal inter-observer and intra-observer variability, and to be responsive to changes over time and as a consequence to treatments. The SFGS has high reliability and repeatability which is good to excellent ranging from 0.766 to 0.860.
Facial disability index
The FDI helps to measure the difficulties of the face in activities of daily living such as eating, drinking, and communicating. It represents the relationship between impairments, disability, and psychosocial status and also focuses on the disability of individuals with disorders of the facial motor system. The reliability and internal consistency of the FDI (Cronbach's alpha coefficient) was 0.83 for the complete scale. Intra-class correlation was 0.79 (95% CI: 0.71-0.85) and 0.85 (95% CI: 0.78-0.89) for the physical and social well-being subscale
Kinovea Movement Analysis software
An objective analysis of the human movement can help both clinical assessment and sports performance. Kinovea is a free 2D motion analysis software that can be used to measure kinematic parameters. The Kinovea software is a valid and reliable tool that can measure accurately at distances up to 5 m from the object and at an angle range of 90°-45°. Nevertheless, for optimum results an angle of 90° is suggested and trustworthy instrument because of strong intra rater reliability(0.98-0.99) and inter rater reliability (0.95-0.98). During recording, patients were asked to perform three movements as follows: first, raise the eyebrows (frontalis); second, smile with pursed lips (zygomatic); and third, pout the lips (orbicularis oris). The symmetry ratio was calculated while comparing each side of face
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