• Journal of Electrical Engineering and Technology
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• v.10 no.6
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• pp.2413-2419
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• 2015

Core spinal muscles are related to trunk stability and assume the main role of stabilizing the spine during daily activities; strengthening of core muscles around the spine can therefore reduce the chance of back pain. The objective of the study was to investigate the effect of core muscle strengthening in the spine during spine stabilization exercise using a whole body tilt device. To achieve this, a validated musculoskeletal (MS) model of the whole body was used to replicate the input motion from the whole body tilting exercise. An inverse dynamics analysis was executed to estimate spine loads and muscle forces depending on the tilting angles of the exercise device. The activation of long and superficial back muscles such as the erector spinae (iliocostalis and longissimus) were mainly affected by the forward direction (-40°) of the tilt, while the front muscles (psoas major, quadratus lumborum, and external and internal obliques) were mainly affected by the backward tilting direction (40°). Deep muscles such as the multifidi and short muscles were activated in most directions of the rotation and tilt. The backward directions of the tilt using this device could be carefully applied for the elderly and for rehabilitation patients who are expected to have less muscle strength. In this study, it was shown that the spine stabilization exercise device can provide considerable muscle exercise effect.

• Journal of muscle and joint health
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• v.7 no.2
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• pp.294-308
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• 2000

This study was conducted to test the effect of brisk walking & muscle strengthening exercise program on bone mineral density(BMD) of the lumbar & femur in rheumatoid arthritis women. Research design was a quasi-experimental study of non-equivalent control group pretest-posttest design(16 weeks). 14 for the experimental group and 14 for the control group were selected from the outpatients on rheumatoid arthritis clinic of Dong-A University Hospital. The experimental group underwent 16 weeks of brisk walking and muscle strengthening exercise. Bone mineral density was measured before and after 16 weeks of exercise by DXA at lumbar spine, femoral neck, Ward's triangle and trochanter. The results were summarized as follows : 1. BMD of the lumbar spine in experimental group who carried out the brisk walking and muscle strengthening exercise was not significantly increased after 16weeks and there was no significant difference between experimental and control group(U=70.00 p>.05). 2. BMD of the femoral neck in the experimental group who carried out the brisk walking and muscle strengthening exercises was significantly increased after 16 weeks(Z=-2.901 p<.01). But, there was no significant difference between experimental and control group(U=83.00 p>.05). 3. BMD of the femoral Ward's triangle in the experimental group who carried out the brisk walking and muscle strengthening exercises was significantly increased after 16 weeks (Z=-2.355 p<.05). But, there was no significant difference between experimental and control group(U=86.00 p>.05). 4. BMD of the femoral trochanter in experimental group who carried out the brisk walking and muscle strengthening exercise was not significantly increased after 16weeks and there was no significant difference between experimental and control group(U=75.00 p>.05). These results suggest that brisk walking and muscle strengthening exercise program has an effect on promoting bone mineral density of femoral neck and Ward's triangle in rheumatoid arthritis women.

• The Journal of Korean Academic Society of Nursing Education
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• v.14 no.1
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• pp.20-29
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• 2008

Purpose: This research was conducted to compare the effects of a muscle strengthening exercise program on pain, straight leg raising ability, passive range of motion, independent walking time and satisfaction with total knee arthroplasty(TKA). Method: A nonequivalent control group posttest only design was used for this study. A total of 62 patients were randomly divided into the experimental group(31) and the control group (31). The experimental group received a 1-hour exercise intervention, while the control group received the usual care. Data was analyzed by t-test using the SPSS/WIN 11.0. Results: The experimental group showed significant improvement in pain score, straight leg raising ability, passive range of motion of knee joint, independent walking time, and the patient's satisfaction. Conclusion: The muscle strengthening exercise program was effective on decreasing pain and increasing mobility and satisfaction in patients with TKA.

• The Journal of Korean Physical Therapy
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• v.36 no.1
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• pp.1-8
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• 2024

Purpose: The purpose of this study was to determine the effect of proprioceptive neuromuscular facilitation (PNF) abdominal muscle strengthening exercise on the activity, posture, and body function of clients with abdominal muscle weakness after cesarean section. Methods: PNF abdominal muscle strengthening exercise was applied to one patient with abdominal muscle weakness after cesarean section. PNF abdominal muscle strengthening exercise was applied five times a week for four weeks. The 5-time supine-to-long sitting test (5-TSLST) and supine-to-stand test (SST) were used to measure activity, and the pelvis tilt angle test (PTAT) and anterior head translation test (AHTT) were used to measure posture. Body function was assessed using the transverse abdominis muscle strength test (TAMST), the internal oblique and external oblique muscle strength test (IOEOMST), and the rectus abdominis muscle strength test (RAMST). Results: Activity, posture, and body function were improved post-intervention. Conclusion: The study verified that PNF abdominal muscle strengthening exercises are effective when applied to patients with abdominal muscle weakness after cesarean section. The findings of this study provide useful data for future interventions in patients with abdominal muscle weakness after cesarean section.

• Journal of The Korean Society of Integrative Medicine
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• v.10 no.4
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• pp.57-69
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• 2022

Purpose : The purpose of this study was to investigate the effect of ankle strengthening exercise combined with sling-assisted gluteus medius strengthening on ankle instability score, and static and dynamic balance ability, muscle strength in adults in their 20s with chronic ankle instability. Methods : Twenty-eight adults in their 20s with chronic ankle instability were recruited. After screening test, they were randomized through R studio program as an experimental group (n=14) to apply an ankle strengthening exercise combined with sling-assisted gluteus medius strengthening and a control group (n=14) to apply ankle strengthening exercise. The intervention lasted two times a week for 6 weeks. To compare the intervention effects, the Cumberland ankle instability tool (CAIT) score, static and dynamic balance ability, and muscle strength of lower extremities were measured. Results : The experimental group showed a significant increase in pre and post-intervention Cumberland ankle instability tool (CAIT) score, static and dynamic balance ability, and muscle strengt (p<.05). The control group showed a significant increase in pre and post-intervention CAIT score, dynamic balance ability, and muscle strength (p<.05). The experimental group showed a significant increase in CAIT score, dynamic balance ability, and muscle strength compared to the control group (p<.05), and showed a high effect size. Conclusions : The results of this study confirmed that ankle strengthening exercise combined with sling-assisted gluteus medius strengthening on people with chronic ankle instability the possibility that it could be effective in improving ankle instability and improving dynamic balance ability, and strength by movement. Although additional research is needed to increase the number of participants due to the small sample size, it is hoped that this study will be an optimistic clinical protocol for people with chronic ankle instability.

• PNF and Movement
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• v.15 no.2
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• pp.167-176
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• 2017

Purpose: This study investigated the effect of core and abdominal muscle-strengthening exercises on muscle activity in the lower extremity on unexpected perturbation. Methods: Twenty subjects were randomly divided into the core exercise group (n=10) or the abdominal muscles strengthening group (n=10). The two groups performed their exercises during three sessions a week for a total of four weeks. The muscle activity in the lower muscles (rectus femoris, biceps femoris, tibialis anterior, gastrocnemius) was assessed using surface electromyography (EMG) and normalized maximal voluntary isometric contraction (MVIC) before and after the exercises. Results: An increase in the tibialis anterior activity after the core and abdominal muscles strengthening exercises was found after four weeks. A significant difference in the pre- and post-exercise was found. The gastrocnemius muscle activity increased in the core exercise group more than the abdominal muscles strengthening group. However, the difference was not significant. Conclusion: The results of this study suggest that the core and abdominal muscles strengthening exercises increased the tibialis anterior muscle activity. It is expected to help make more balance ability that affect who has abdominal muscles weakness.

• The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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• v.29 no.3
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• pp.23-30
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• 2023

Background: The purpose of this study was to investigate the effects of joint mobilization and muscle strengthening exercises on neck function, range of motion, and muscle tone in patients with forward head posture. Methods: A total 32 subjects were divided into muscle strengthening exercise (n=16) and joint mobilization (n=16) who met the diagnostic criteria for the forward head posture, and the study method used the neck disability index (NDI) and BPM Pro to compare the range of motion. Results: As a result of the study, there was no significant difference between each group, and when looking at the differences before and after each group, there was a significant difference in neck pain in both groups. There was a significant difference in muscle tension in the joint mobilization group, but there was no significant difference in the muscle strengthening exercise group. In the range of joint mobilization, there was a significant difference in the range of left joint mobilization of the joint mobilization group, there was no significant difference in the range of right joint mobilization, and there was no significant difference in the range of joint mobilization of the muscle strengthening exercise group. Conclusion: The above results revealed that joint mobilization and muscle strengthening exercises were effective on neck function, range of motion, and muscle tone in forward head posture patients.

• Journal of muscle and joint health
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• v.18 no.2
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• pp.203-214
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• 2011

Purpose: The purpose of the study was to identify the effects for 4-weeks muscle strengthening exercise program on pain, fatigue, and physical function(muscle strength of leg, walking competence, balance, flexibility of patella) in elderly women with total knee arthroplasty(TKA). Method: Utilizing a quasi-experimental design, 30 TKA patients consisted of the experimental group (n=15) and control group (n=15). The experimental group participated in the muscle strengthening exercise program, twice a day for 4 weeks. Data were analyzed with SPSS WIN 18.0 program, using repeated measure ANOVA. Result: As time goes by, There were significant differences in muscle strength of leg (F=6.60, p<.001), walking competence(F=7.15, p<.001), and balance(F=17.55, p<.001) between the experimental and the control groups. Conclusion: The findings of this study revealed the positive effects of muscle strengthening exercise program in elderly women with TKA.

• Journal of muscle and joint health
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• v.15 no.2
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• pp.155-165
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• 2008

Purpose: The purpose of this study was to develop a progressive exercise program based on clinical guidelines for exercise prescription for older adults with osteoarthritis, which was planned to improve the existing arthritis self-help program. Method: We analyzed the contents of the arthritis self-help program and closely reviewed the guideline of exercise prescription for elderly with osteoarthritis. Results: The major contents of the revised arthritis self-help program are as follows: 1) The weekly education is composed of one-hour exercise and one-hour health education about various subjects. 2) The weekly main exercise is composed of muscle strengthening and endurance exercise. 3) Endurance exercise consists of three steps. 4) Muscle strengthening exercise is performed by gravity at first, and then the Thera-Band muscle strengthening exercise is followed on the 4th week. Conclusion: It is necessary to verify the effect of the progressive exercise program for older adults with osteoarthritis. It is thought that this revised program could be adopted as a rehabilitation program for older adults with osteoarthritis.

• Journal of The Korean Society of Integrative Medicine
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• v.2 no.4
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• pp.69-81
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• 2014

Purpose : The purpose of this study was to evaluate the effects of early muscle strengthening exercise on pain, shoulder function and sleep quality for rotator cuff tear patients. Method : The subjects of this study, partial tear of the rotator cuff diagnosed patients, four patients were picked up, who were agreed with this research. This experiment is comprised two experimental groups, with two control groups. The experimental groups recieved early muscle strengthening exercise for 6 weeks, which consisted of 4 times per week, 40 min of supervised exercise program. The control groups received a general movement treatment of 6 weeks which consisted of 4 times per week, 40 min, Pain, shoulder function and sleep quality measured by VAS, PPT and ROM, CMS, SST and PSQI. Result : In comparison of VAS, PPT and CMS, SST and PSQI was the experimental group showed a more improved. Conclusion : Therefore, early muscle strengthening exercise is useful to improve the pain, shoulder function and sleep quality for rotator cuff tear patients.