• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.22 no.1
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• pp.65-70
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• 2016

Background: To determine the correlation Between forward head posture and plantar pressor in a McKenzie Exercise. Methods: This study had a cross-sectional design. There are included 20 participants with forward head posture. We measured the craniovertebral angle (CVA), cranial rotation angle (CRA) by image obtained digital camera and the plantar pressure, static balance using Gait Analyzer each before and after McKenzie Exercise. Results: There was negative correlation between CVA and CRA (p<.05). There was negative correlation between CVA and fore foot(p<.05). There was positive correlation between CRA and both fore foot (p<.05). There was negative correlation between CVA and static balance(p<.05). There was positive correlation between CRA and static balance (p<.05). Conclusions: There is a correlation between the change a mount of forward head position and plantar pressure in the McKenzie Exercise.

• Journal of the Korean Society of Physical Medicine
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• v.8 no.4
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• pp.479-487
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• 2013

PURPOSE: The purpose of this research was comparing and analyzing the exercise effect for the public who was not suffering back pain exercise in improving the waist flexibility, the waist muscular strength and the waist sense of equilibrium after grafted in William & McKenzie exercise with swiss ball. METHODS: 16 people who were not in progress of the chronic low-back pain were recruited. They were grouped into 8 for each experiment(GSBE=Group which play swiss ball exercise, GWME=Group which William & McKenzie exercise). RESULTS: The following result was obtained through measurement of three items in both pre and post examination. CONCLUSION: Comparing the average result of flexibility improvements of each group after 12-week exercise program, the result showed that GSBE was more effective than GWME with increase of muscular strength. Comparing the average result of muscular strength of each group after 12-week exercise program, the result showed that GSBE was more effective than GWME with increase of flexibility improvements. Comparing the average result of sense equilibrium of each group after 12-week exercise program, the result showed that GSBE was more effective than GWME with increase of sense equilibrium.

• Journal of The Korean Society of Integrative Medicine
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• v.4 no.1
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• pp.13-20
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• 2016

Purpose : The purpose of this study was to compare the effect of exercise on the neck muscles activities between scapular stability and McKenzie stretch exercise in the forward head posture subjects. Method : After measuring cervical alignment using the Global Posture System, 20 volunteers with forward head posture posture were selected and divided into two groups. The experimental group A(n=15) and Experimental group B(n=15) participated in respectively and McKenzie neck stretching exercise, three times per week for 4 weeks. The scapular stabilization exercise program was comprised middle and lower trapezius strength exercises and the stretching exercise program was comprised levator scapulae and upper trapezius stretching exercise. The activities of the muscles of the posterior neck was then measured using electromyography. Result : After the intervention, there was significant difference of a electromyography activity changes between the pre-test and post-test in the experimental group. Conclusion : This study showed that both scapular stabilization and McKenzie neck stretching exercises are more effective for reducing neck muscles activities.

• The Journal of Korean Physical Therapy
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• v.31 no.6
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• pp.351-357
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• 2019

Purpose: This study sought to investigate the effects of the McKenzie exercise program on forward head posture and respiratory function. Methods: Thirty adult men and women with forward head posture, aged 20-29 years, were randomly assigned to the experimental group (N=15) or the control group (N=15). Subjects in the experimental group performed the McKenzie exercises three times a week for four weeks, while subjects in the control group did not receive any intervention. Craniovertebral angle (CVA) was measured to quantify forward head posture, and forced vital capacity (FVC), FVC % predicted, forced expiratory volume at one second (FEV₁), and FEV₁ % predicted were measured to determine changes in respiratory function. The Mann-Whitney U-test was used to analyze pre-test differences in forward head posture and respiratory function between the two groups, and the Wilcoxon signed-rank test was used to analyze differences in forward head posture and respiratory function within the groups before and after intervention. The significance level (α) was set to 0.05. Results: A comparison of pre- and post-test measures showed that CVA significantly increased in the experimental group (p=0.001) denoting postural improvement, whereas no significant difference was found in the control group (p=0.053). All respiratory measures, i.e.,FVC, FVC %pred, FEV₁, and FEV₁ %pred, were significantly improved in the experimental group, whereas there were no significant differences in the control group. Conclusions: McKenzie exercise can be effective in improving forward head posture and respiratory function.

• Journal of The Korean Society of Integrative Medicine
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• v.3 no.4
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• pp.61-67
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• 2015

Purpose : The purpose of this study was to find out the effect of exercise on the angle and distance between scapular stability and McKenzie stretch exercise. Method : 30 volunteers took part in this experiment and we divided into three groups(experimental group A, experimental group B, control group C). Experimental group A performed scapular stabilization exercise and experimental group B performed McKenzie neck stretching exercise and control group didn't perform any exercise. Experimental group(A, B) received a total of 12 exercise session over a 4 week period (three times per week). Posture and craniovertebral angle changes of the neck using GPS measurements reported. Result : The CVA and distance change after exercise were significantly reduced in the experimental group A and B. Conclusion : Therefore, we have confirmed through experiments reducing a CVA and distance between scapular stabilization and McKenzie neck stretching exercises, whereby we would also be helpful to ensure the treatment of forward head posture.

• The Journal of Korean Medicine
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• v.41 no.4
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• pp.78-87
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• 2020

Objectives: In modern society, many people have low back pain (LBP) and spinal diseases. About 80% of them experience severe LBP more than once in their lifetime. We can find studies on many Korean medicine-based treatments, such as acupuncture treatment for LBP and exercise therapy, which are effective in reducing the symptoms. This study focuses on the combined effect of both Korean medicine and exercise therapy for treating LBP. Method: For this review, we searched for articles focusing on pain and disability recovery in pre-clinical and clinical studies of extension and flexion exercise therapy related to LBP. The search databases were as follows: PubMed, Google Scholar, and seven Korean electronic databases (Korea Citation Index (KCI), Korean studies Information Service System (KISS), Research Information Service System (RISS), Oriental Medicine Advanced Searching Integrated System (OASIS), DBPIA, National Digital Science Library (NDSL), and KOREAMED). The keywords were as follows: Korean Medicine, back pain, flexion exercise, extension exercise, McKenzie method, McKenzie exercise, Williams' flexion exercise, and Mechanical Diagnosis and Therapy. Results & Conclusions: This review shows the usefulness of flexion and extension exercises for LBP treatment and effective patient education, but further studies are necessary.

• Journal of The Korean Society of Integrative Medicine
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• v.12 no.3
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• pp.71-81
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• 2024

Purpose : In this study, we compared the effects of ankle, McKenzie, and cervical stabilization exercises in individuals with a forward head posture. Outcome measures investigated included the neck disability index, craniovertebral angle (CVA), cranial rotation angle (CRA), and thickness of the longus colli muscle (LC) and carotid artery (CA) post-intervention. Methods : The study included 20 individuals with a forward head posture, who were assigned to an experimental group (EG, individuals performed ankle exercises) or control group (CG, individuals performed McKenzie and cervical stabilization exercises). The EG intervention was specifically designed to enhance proprioception in the ankle joint and strengthen the ankle muscles to improve overall stability and function. In contrast, CG interventions aimed to improve neck muscle balance and cervical spine alignment. Paired t-tests were used to analyze intragroup changes and independent t-tests to determine intergroup differences pre-and post-intervention. The significance level for all statistical tests was set at α=.05. Results : We observed significant post-intervention improvements in both groups, specifically, in the CVA, CRA, and LC and CA thickness (p<.05). These results indicate that ankle, McKenzie, and cervical stabilization exercises were useful for neck posture correction, improved muscle balance, and enhanced blood flow to the neck. Conclusion : This study underscores the positive effects of ankle, McKenzie, and cervical stabilization exercises in individuals with a forward head posture. Our study highlights the benefits of these exercises for posture correction and overall neck health and the clinical effectiveness and usefulness of ankle exercises as an important intervention to improve forward head posture.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.21 no.12
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• pp.502-509
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• 2020

The aim of this study was to compare the effects of a horseback riding simulator, McKenzie, and gym ball exercises on the Korean-Oswestry Disability Index (K-ODI) and muscle activation in people suffering from chronic low back pain. The study was conducted on 30 adults with a K-ODI of 5 or more and chronic low back pain. This experiment was conducted from May to June 2020. They were randomly divided into the horse-riding exercise group (HEG), McKenzie exercise group (MEG), and the gym ball exercise group (GEG). Each group performed the relevant exercises for six weeks, three times a week. The low back pain was measured with K-ODI, and muscle activation was measured with surface electromyography (SEMG). A paired t-test was conducted to verify the change before and after the experiment in the groups, and a one-way ANOVA was conducted to verify the difference between the three groups. The results of the study showed significant differences before and after the experiment. K-ODI and muscle activity improved (p>.05), and significant differences were also found between the groups (p<.05). This study concluded that horse riding and McKenzie exercises could be effective methods for the treatment of pain and to stabilize the lumbar region in patients with chronic low back pain.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.14 no.1
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• pp.1-14
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• 2008

Purpose : To evaluate the effects joint mobilization and McKenzie exercise on the cervical range of motion and tenderness through cervical range of motion(CROM), algometer. Methods : The subjects consisted of thirty five patients. Eighteen underwent McKenzie exercise, seventeen did Joint Mobilization. The joint mobilization group received joint mobilization exercise for about 15 minutes, and McKenzie exercise group received extension, side-flexion, flexion, elevation, exercise for 15 minutes respectively. The test period of each group took place three times a week during 6 weeks. All measurements for each the subject took the following treatment: pre-treatment, treatment in 2 weeks, treatment in 6 weeks, post-treatment in 2 weeks. Results : The flexion, extension and side-flexion CROM of both groups were statistically significant increase within treatment period(p<.05), and also a significant difference within pre-treatment and post-treatment in a 2 week period(p<.05), within treatment in 2 weeks and post-treatment in 2 weeks by checking the extent of effect in the treatment period(p<.05). The trapezius tenderness threshold of both groups were statistically significant increase within treatment period(p<.05), and also significant difference within pre-treatment and post-treatment, within treatment in 2 weeks and post-treatment by checking the extent of effect in the treatment period. Conclusion : Joint mobilization and Mckenzie exercise improved cervical range of motion and tenderness threshold.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.28 no.2
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• pp.35-44
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• 2022

Background: This study aimed to compare the effects of the Mulligan mobilization with movement and McKenzie exercise after applying conservative physical therapy to patients with knee pain. Methods: Patients were randomly allocatied into two groups: the Mulligan mobilization with movement (10 subjects) and the McKenzie technique (10 subjects). Each group was givenr conservative physical therapy and manual therapy sessions, three times week, for four weeks. The pain intensity was measured using the visual analogue scale (VAS). The cervical range of motion (ROM) was measured with a goniometer. Balance was measured using the modified Berg balance scale (BBS). Results: After four weeks of therapy, VAS (p<.05) decreased significantly, and ROM and balance increased siginficantly in both groups(p<.05). There was a significant improvement in knee extension (p<.05) in the McKenzie group compared to the Mulligan group. No intergroup differences were found with respect to the knee flex, VAS, and BBS (p>.05). Conclusion: The McKenzie exercises are more effective than Mulligan mobilization with movement for improving knee extension. Both interventions have the same effects on pain relief, in increasing knee flexion ROM and improving balance in patients with knee pain.