Effects of Yi Jin Bang Exercise and Usual Exercise Therapy in Adults With Subacromial Pain Syndrome
NCT ID: NCT05205369
Last Updated: 2023-02-08
Study Results
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Basic Information
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COMPLETED
NA
52 participants
INTERVENTIONAL
2022-03-01
2022-07-15
Brief Summary
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The use of complementary and alternative medicine treatment is growing continuously. Yi Jin Bang is a form of mind-body exercise and was developed in Hong Kong in the 1950s based on the principle of traditional Chinese mind-body exercise "Yi Jin Jing". In Chinese, Yi means change, Jin means tendons and sinews, while Bang means stick. As with all other Chinese medical exercises, the focus of Yi Jin Bang is on the cultivation of Qi (energy), which is assumed to harmonize mind and body and so might reduce pain. After reorganizing by physiotherapists, Yi Jin Bang has now become an easy-to-learn exercise program. Many scientific studies have demonstrated the effectiveness of mind-body exercises on pain, such as yoga, Tai Chi, and Qigong. However, the efficacy of Yi Jin Bang exercise in SAPS is not scientifically evaluated. Therefore, the purpose of the present study is to compare the effectiveness of ten weeks of home-based Yi Jin Bang exercise, versus home-based stretching and strengthening exercise, and versus waitlist control on pain, disability, flexibility, and muscular endurance in adults with SAPS. This study hypothesized that home-based Yi Jin Bang exercise and home-based stretching and strengthening exercise have similar effects in reducing pain and disability and improving flexibility and muscular endurance for individuals with SAPS.
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Detailed Description
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Shoulder pain is one of the most frequent musculoskeletal pain, with the point prevalence has been reported between 7% and 26%. The cumulative incidence of shoulder pain in general medical practice is estimated to be 29.3 per 1000 patients-years. Shoulder pain can cause severe disability and loss of quality of life because it interferes with many activities of daily life. There is little information about the costs associated with healthcare use and lost productivity in patients with shoulder pain, but it is considered considerable. Among the common causes of shoulder pain, SAPS is the most common cause, accounting for 44-60% of all shoulder pains. SAPS is characterized by pain and functional restrictions that are exacerbated with repetitive arm activities at or above shoulder level.
The main goals of treatment for patients with SAPS are to reduce pain-related common impairments and improve upper limb function. It has been determined that 15-28% of patients with SAPS may eventually require surgery. Commonly prescribed conservative treatment for SAPS includes corticosteroid injections, non-steroidal anti-inflammatory drugs, stretching and strengthening exercises, and physical therapy modalities. No evidence is available to indicate that the effectiveness of surgery is better than conservative treatment for patients with SAPS. A systematic review suggested that exercise therapy aimed at restoring flexibility and strength of scapular muscles and the rotator cuff should be recommended to the first-line treatment for patients with SAPS before undergoing surgical treatment. Besides, this systematic review indicated that low-level laser therapy, pulsed electromagnetic field and tape are ineffective in treating SAPS. In another meta-analytical study which investigated the effectiveness of conservative treatment for pain, function, and range of motion (ROM) in adults with SAPS, there revealed that exercise therapy should be considered for all adults with SAPS, and the addition of manual therapy, tape, laser and extracorporeal shockwave therapy might have a little benefit. In addition, the meta-analysis reported that nonsteroidal anti-inflammatory drugs or corticosteroid injection can be a useful alternative only when exercise therapy is not possible.
Exercise therapy is considered to be the most valuable method for treating shoulder disorders and is the cornerstone of physical therapy treatment, with several systematic reviews have reported its clinically and statistically effects on pain and function in patients with SAPS. It remains unknown whether exercise therapy should be performed with or without supervision. Several systematic reviews indicated that supervised exercises are effective in improving pain and function in patients with SAPS, while several other systematic reviews concluded that home-based unsupervised exercises are as effective as supervised exercises. However, supervised training requires substantial and specific resources and may be difficult to apply clinically. In addition, the increasing cost of supervised exercise therapy also supports the use of home-based self-training protocols.
The use of complementary and alternative medicine treatment is growing continuously. Yi Jin Bang exercise is a stretching exercise that is beneficial to the mind and body. It was created in the 1950s in Hong Kong, according to the principle of traditional Chinese mind-body exercise Yi Jin Jing. In Chinese, Yi means change, Jin means tendons and sinews, while Bang means stick. Although there is no scientific research evaluating the effects of Yi Jin Bang exercise on pain, there are many scientific studies that have examined the effects of other mind-body exercises (e.g., Qigong, Tai Chi, yoga) on pain. A study found that six months of supervised Qigong training was more effective than no treatment on pain in patients with chronic shoulder pain, and improvements in the Qigong group were comparable with those in the supervised exercise therapy group. Besides, another study indicated that six weeks of video-based Qigong training can improve neck-shoulder pain compared with no treatment. In a recent meta-analysis, Tai Chi was found effective in the short time for reducing pain and disability in patients with arthritis. A meta-analysis evaluated the effectiveness of yoga on low back pain, which found strong and moderate evidence for short-term effects and long-term effects of yoga in the treatment of low back pain, respectively. Moreover, a randomized controlled trial found that nine weeks of supervised yoga training was effective in treating chronic neck pain. Up to date, no studies have evaluated the effectiveness of Yi Jin Bang on the treatment of SAPS. Therefore, the purpose of this study is to evaluate the effects of Yi Jin Bang exercise on adults with SAPS in terms of pain, disability, flexibility, and muscular endurance.
METHODOLOGY
This will be a three-arm parallel-group randomized controlled trial with blinded outcome assessors. The trial comprises ten weeks of intervention. Participants will be randomly assigned into one of the following three groups: Yi Jin Bang group (group 1), usual exercise therapy group (group 2), or waitlist control group (group 3). The Yi Jin Bang group will practice an active, low-intensity home-based Yi Jin Bang exercise routine. The exercise therapy group will do a home-based stretching and strengthening training program. Participants in the waitlist control group will remain on a waiting list and will be provided either Yi Jin Bang training or usual exercise therapy after ten weeks. Pain, disability, flexibility, and muscular endurance will be evaluated before treatment, after the first treatment session, and after ten weeks in all three groups.
Participants
This study will recruit 18-65 years old adults with symptoms of SAPS. Participants in this study will be recruited through mass email. Before the study, participants will be provided with consent forms, and then sign them. They will also be told that they can withdraw from the study at any time. Ethical approval for conducting research will be sought from the ethics committee.
In terms of sample size, the effect size of the ROM exercise on the Shoulder Pain and Disability Index (SPDI) score found in a previous randomized control trial is adopted. Therefore, based on the estimation of sample size by G\*Power (effect size: 0.5; α: 0.05; power: 0.80), a sample size of 14 individuals per group will be needed. Considering a 20% drop rate, we estimated that 18 participants per group will be needed.
Procedures
Participants will be randomly assigned to one of the following three groups: Yi Jin Bang, usual exercise therapy, or control group. Two experimental groups will do home-based Yi Jin Bang exercise and home-based exercise therapy for ten weeks, respectively. The control group will receive no treatment during the period of ten weeks. In addition, during the intervention, participants should not take any other physical therapy, exercise therapy, or medication on the shoulder.
Outcome measures
All assessments will be performed at baseline, after the first treatment session, and after ten weeks of intervention, except the disability test only performed at baseline and after ten weeks. Onsite assessments will include the completion of study questionnaires, flexibility tests, and muscular endurance tests. A research staff member will present at each collect point to assist participants to complete the self-report questionnaire. Because of the nature of the treatment, it will be rarely impossible to blind participants, Yi Jin Bang instructors, and physiotherapists. However, assessors will be blinded to group assignments when collecting outcome measures.
Statistical analysis
All values will be reported as mean ± SD. Two-way analysis of variance (ANOVA) with repeated measures (2 times × 3 groups) will be used to analyze differences at baseline and at ten-week post-intervention. Differences between the change within each group will be examined by one-way ANOVA. Post hoc tests will be used when necessary, to verify the pair-wise differences between means. The α level of p \< 0.05 will be considered statistically significant for all comparisons. All statistical procedures will be performed by SPSS software.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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Yi Jin Bang group
Participants in this group will perform a 10-week home-based Yi Jin Bang exercise program.
10-week home-based Yi Jin Bang exercise program
Each participant in this group will do a home-based Yi Jin Bang exercise program four times a week for ten consecutive weeks, which consists of ten minutes of warm-up, 18 minutes of Yi Jin Bang exercise (ten exercises), and ten minutes of cool-down. To learn how to conduct the home-based exercise session, each participant will be invited to one introductory session before starting the prescribed exercise program. Two experienced Yi Jin Bang instructors will lead the introductory session. Besides, in order to monitor participants' adherence and help them to conduct self-training, we will use the Zoom Meeting application. Zoom can capture and record participants' movements through the webcam. During the introduction sessions, we will teach participants how to use Zoom. Furthermore, we will provide support for adherence to the home exercise sessions through telephone calls or e-mail every two weeks.
Usual exercise therapy group
Participants in this group will perform a 10-week home-based usual exercise therapy program.
10-week home-based usual exercise therapy program
Among exercise therapy in the treatment of SAPS, stretching and strengthening protocols are often used . Therefore, participants in this group will do a standardized home-based stretching and strengthening exercise program four times per week for ten weeks, which is set up according to a previous study. This program has been demonstrated that can be effective in reducing pain and improving function in patients with SAPS. For strengthening exercises, elastic bands will be used. To learn how to conduct the self-training program, each participant in this group will also be invited to one introductory session before starting the prescribed exercise training. Two certificated physiotherapists will lead the introductory session. In addition, a video demonstration clip will be given to each participant to provide a home reference, and the Zoom Meeting application will be used to help monitor the exercise.
Waitlist control group
Participants in the waitlist control group will be informed that they will receive either Yi Jin Bang training or exercise therapy after ten weeks have passed. This will be done only for motivational reasons and not for evaluation.
No interventions assigned to this group
Interventions
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10-week home-based Yi Jin Bang exercise program
Each participant in this group will do a home-based Yi Jin Bang exercise program four times a week for ten consecutive weeks, which consists of ten minutes of warm-up, 18 minutes of Yi Jin Bang exercise (ten exercises), and ten minutes of cool-down. To learn how to conduct the home-based exercise session, each participant will be invited to one introductory session before starting the prescribed exercise program. Two experienced Yi Jin Bang instructors will lead the introductory session. Besides, in order to monitor participants' adherence and help them to conduct self-training, we will use the Zoom Meeting application. Zoom can capture and record participants' movements through the webcam. During the introduction sessions, we will teach participants how to use Zoom. Furthermore, we will provide support for adherence to the home exercise sessions through telephone calls or e-mail every two weeks.
10-week home-based usual exercise therapy program
Among exercise therapy in the treatment of SAPS, stretching and strengthening protocols are often used . Therefore, participants in this group will do a standardized home-based stretching and strengthening exercise program four times per week for ten weeks, which is set up according to a previous study. This program has been demonstrated that can be effective in reducing pain and improving function in patients with SAPS. For strengthening exercises, elastic bands will be used. To learn how to conduct the self-training program, each participant in this group will also be invited to one introductory session before starting the prescribed exercise training. Two certificated physiotherapists will lead the introductory session. In addition, a video demonstration clip will be given to each participant to provide a home reference, and the Zoom Meeting application will be used to help monitor the exercise.
Eligibility Criteria
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Inclusion Criteria
2. pain during overhead activities
3. pain during active movements of the shoulder
4. pain in the last three months
5. Hawkins-Kennedy impingement test positive
6. painful arc test positive
7. infraspinatus muscle test positive
Exclusion Criteria
2. full-thickness rotator cuff tear
3. a history of shoulder surgery
4. inflammatory of the vertebrae
5. shoulder trauma in the last month
6. any physical treatment for shoulder pain in the last month
18 Years
65 Years
ALL
No
Sponsors
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Chinese University of Hong Kong
OTHER
Responsible Party
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Stanley Sai-Chuen Hui
Professor
Principal Investigators
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Stanley Sai-chuen Hui, EdD
Role: PRINCIPAL_INVESTIGATOR
Chinese University of Hong Kong
Locations
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Chinese University of Hong Kong
Hong Kong, , Hong Kong
Countries
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Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Document Type: Informed Consent Form
Other Identifiers
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YJB2022
Identifier Type: -
Identifier Source: org_study_id
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