Objective: The aim of this study was to evaluate the differences in muscle activity of hamstring muscle depending on the position of the feet during Swiss ball hamstring curl exercise. Method: Total of 15 male participants with no history of hamstring muscle injuries and musculoskeletal disorders in the past 6 months were participated in this study (Age: 29.27 ± 4.96 yrs, Height: 173.47 ± 5.18 cm, Body mass: 75.47 ± 12.50 kg). The muscle activation of semitendinosus and biceps femoris with four different feet positions including neutral stance, internal rotation, external rotation, and wide stance were measured during a Swiss ball hamstring curl exercise. For the analysis, the Swiss ball exercise movement comprised of 3 events (90°→ 0°→ 90°) based on the knee angle and 2 phases relative to the mechanism of muscle contraction (eccentric/concentric contraction). To pursue the study goal, an one-way ANOVA with repeated measures was performed with statistical significance as α = 0.05. Results: There was no statistically significant feet position effect found during the Swiss ball hamstring curl with eccentric contraction phase (p>.05). It is, however, semitendinosus showed an enhanced muscle activation in concentric contraction phase, displaying the highest muscle activity in wide stance and the lowest in external rotation (p<.05). Conclusion: Our findings suggest that this exercise can be beneficial in selectively training the semitendinosus. In other words, Swiss ball hamstring curls performed in wide stance strengthens semitendinosus, which improves the stability of knee and are effective in preventing knee injuries and reinforces rehabilitation.
Purpose: The purpose of this study is to find the effects of an exercise program on body composition, serum lipids, and menopausal symptoms in Korean menopausal women. Methods: This research used none qui valent control group pretest-posttest design. The participants were 30 middle-aged women who were divided into two groups, an experimental group (n = 16) who participated in the exercise program and a control group (n = 14). The exercise program was composed of gymnastic-ball exercises with RPE $12{\sim}13$ intensity, 50 minutes' duration and three times a week for 12 weeks from April 1 to June 30, 2008. The dependent variables (body composition, serum lipids, menopause symptoms, self-efficacy, and life satisfaction) were measured before and after exercise program. Results: There were statistically significant difference in weight (F=2.92, p=.049), percent body fat (F=4.22, p=.040), total cholesterol (F=2.63, p= .017) and high density lipoprotein (F=6.74, p= .015) between the two groups. Psychological menopausal symptoms also decreased significantly (F=7.01. p=.014) after the exercise in the experimental group. Conclusions: Regular gymnastic-ball exercises are helpful for menopausal women. They have positive effects not only on body composition and serum lipids but also on the decrease of menopausal symptoms. The results of this study suggest that gymnastic-ball exercise programs are effective in health promotion of Korean middle-aged women, and thus it is necessary to develop exercise programs for women.
Objective: The purpose of this study was to compare the activities of the abdominal muscles according to trunk stabilization exercises using Swiss ball in normal individuals. Design: Cross-sectional study. Methods: Ten healthy university students participated in this study. The subjects were required to complete the following three exercise positions: Exercise position 1, sitting on a Swiss ball and lifting the legs; Exercise position 2, pushing to a plank position from an ending position; and Exercise position 3, push-up posture with the legs on a Swiss ball. Changes in the trunk muscle activities were estimated using Biometric electromyography (EMG). Activities of the dominant side internal oblique muscle (IOM) and external oblique muscle (EOM) were estimated in all participants. The maximal voluntary isometric contraction (MVIC %) was measured to standardize the EMG signals for the IOM and EOM during maximum resistance when sitting up with each shoulder pointing towards the contralateral pelvis with knees bent and both arms crossed on the chest for 5 seconds. Results: There was a significant difference in the activity of the internal and external oblique muscles between Exercises 1 and 2 and Exercises 1 and 3 (p<0.05). Furthermore, the IOM/EOM activity ratio was the greatest during Exercise 3 and the smallest during Exercise 1. IOM and EOM activities were the greatest during Exercise 2 with greater EOM activity. Conclusions: In future studies, it will be necessary to investigate muscle activities by supplementing the above-mentioned limitations during the stabilization exercise. The results of this study may be used as a basis for controlling the intensity and frequency of exercise while prescribing trunk stabilization exercises.
Purpose: The purpose of this current study is to compare the effectiveness of respiratory circulation function and tidal volume according to two different types of practice methods, in terms of breathing training program and abdominis muscle strengthening using a swiss ball. Methods: The subjects were consist 18 college students, were randomly and evenly assigned to either breathing training program group (BTG) or swiss-ball exercise group (SEG). Exercise program was applied for 60 minutes, 3 times a week, for 6 weeks. Before, after 3 weeks and after 6 weeks of exercises, the subjects were tested using the bruce protocol. The significance of differences between the BTG and the SEG was evaluated by analysis of two-way repeated measures ANOVA. Results: There was an increase in respiratory circulation function after both of exercise. Especially, there was significant difference between the before and after 6 weeks in the BTG. Also, change of respiratory circulation function in BTG was significantly greater than SEG. Tidal volume was no significant differences between the before and after 6 weeks in both groups. In addition, there was significant difference between BTG and SEG. Conclusion: These results suggest that direct breathing training program were more useful to improve of respiratory circulation function.
Purpose: The aim of this study is to compare and assess the effects of lumbar stabilization exercise on the balance ability of young college studets with low back pain after having performed spinal stabilization exercise by using 3-dimensional air-balance system and gym ball. Methods: The subjects of this study were 34 low back patients in their early twenties. They were divided into two groups: 3-dimensional lumbar stabilization exercise group(N=17) and gym ball lumbar stabilization exercise group(N=17). The period of the intervention was for five weeks. VAS(Visual Analogue Scale) for pain test, ODI(Oswestry Disability Index) for ADL limitation test, Tetrax system for static balance test, and Air-balance system 3D for dynamic balance test were used as evaluation tools for this study. Results: Pain showed significant decrease in both groups after having performed the experiment, but ADL limitation of the groups did not show any remarkable difference between before and after the experiment. Dynamic balance ability in the 8-directional angle comparison test significantly increased in all directions except for the backward, left-backward, and right-backward directions. As for dynamic balance ability in the 8-directional postural test, 3D exercise group showed statistically significant reduction in every direction while gym ball exercise group did not(p<.05). However, when it comes to static balance ability in the weight distribution and stability test, there was not significantly change between pre and post test in both groups. Conclusion: This study shows 3-dimensional lumbar stabilization exercise is more effective in the lumbar stabilization of coordinated movement than gym ball exercise, which may imply that 3D air-balance system can be used for the therapeutic treatment of body imbalance for patients with low back pain.
Background: The purpose of this study is to analyze the effect of shoulder and neck stabilization exercise using a gym ball for healthy women in their 20s with round shoulder and forward head posture, it is intended to try and find improvement for posture. Methods: The subjects of the study were 25 women who understood the purpose of the research and voluntarily agreed to participate in the experiment. They carried out the shoulder and neck stabilization exercise program using a gym ball, which was conducted for 35 minutes, 3 times a week for 4 weeks. The position of the round shoulder and shoulder bones was measured using an tape measurement and were recorded in both at pre, 2 weeks, and post intervention. The craniovertebral angle (CVA) and craniorotational angle (CRA) was measured using an image J. Results: The round shoulder posture left was statistically significantly different within group (p<.05); however, the round shoulder posture right wasn't statistically significantly different (p>.05). As a result of this contrast, test were significant different in both at pre, 2 weeks and post. The scapular position on the left and right were statistically significantly different within the group (p<.05). As a result of the contrast, test were significant different in both at pre, 2 weeks and post (p<.05). The CVA and CRA on the left and right were statistically significantly different within the group (p<.05). As a result of the contrast, test were significant different in both at pre, 2 weeks and post (p<.05). Conclusion: The gym ball exercises improved the posture of women in their 20s. Therefore, gym ball exercises can help improve the quality of life of those with shoulder and neck pain.
International journal of advanced smart convergence
/
제8권3호
/
pp.78-86
/
2019
Recently, IoT researches using sensor data based on embedded networks in various fields including healthcare and sports have been continuously attempted. This study analyzes golf ball mobility to support IoT application in golf sports field. Generally, since the difference in density occurs due to the condition of the inner material and the abnormal state at the time of the outer skin joining during the manufacturing of the golf ball, the weight of each subset is equal for any two points with the same radius in the sphere cannot be guaranteed. For this reason, the deflected weight of the sphere has the undesirable effect of hitting the ball in a direction in which the weight of the ball is heavy. In this study, it is assumed that there is a unique center of gravity of the ball, and even if the golf ball cannot be manufactured perfectly, it wants to establish the basic principle to accurately recognize or mark the putting line based on the center of gravity. In addition, it is evaluated how the mobility of the golf ball with a deviation from the center of gravity of the golf ball affects the progress path (or movement direction) and the moving distance (or carry distance) after the golfer hits. The basic model of the mobility of the golf ball can help the golfer exercise model and the correlation analysis. The basic model of the mobility of the golf ball can help the golfer exercise model and the correlation analysis.
Objective : The purpose of this study was to analyze the effect on psychosocial status in elderly women with chronic low back pain after practicing lumbar stabilizing exercise using the gym ball, and to developed and activated on exercise program for healthy senile life. Methods : The subjects were 23 elderly women with chronic low back pain. Mean age of subjects was $67{\pm}13$ years. The lumbar stabilizing exercise using the gym ball was performed 3 times a week during the 8 weeks study period. The research tool were ODI(Oswestry Disability Index), VAS(Visual Analogue Scale), SES(Self-esteem Scale), GDSSF-K(Geriatric Depression Scale Short Form Korea Version), PSS (perceived stress scale), Life satisfaction, and MMSE-K. The analysis of data was processed by the statistical program SPSS 12.0 and paired t-test and frequency analysis were used to compare psychosocial status between the pretest and post tests. Result : The lumbar stabilizing exercise using the gym ball increased significantly SES and Life satisfaction of subjects, and ODI, VAS(trunk flexion & trunk extention), GDSSF-K, and PSS were decreased significantly(p<.05). While VAS(trunk rotation) were not significantly. Conclusion : The lumbar stabilizing exercise using the gym ball improved psychosocial status in elderly women with chronic low back pain.
Background: Although various exercises have been performed for patients with chronic low back pain (CLBP), the effects of these exercises including joint mobilization, gym ball exercises, and breathing exercises on flexion relaxation ratio (FRR) have not been compared. Objective: To compare the effects of joint mobilization, gym ball exercises, and breathing exercises on the flexion relaxation phenomenon (FRP) and pain in patients with chronic low back pain. Design: Randomized pretest-posttest control group design. Methods: Thirty-six patients with chronic low back pain who were undergoing rehabilitation at a rehabilitation center were included. The patients were randomly divided into three groups: joint mobilization group (JMG; n=12), gym ball exercise group (GBG; n=12), and breathing exercise group (BEG; n=12). The exercises were performed for 40 minutes a day, twice a week, for a total of 12 weeks. Results: There were no significant differences in FRR between the three groups (P>.05). Significant decreases in the modified visual analog scale (MVAS) scores after intervention between the groups were found (P<.05). The GBG was significantly decreases from the JMG in the MVAS (P<.05). However, there were significant improvements between the pre- and post-interventional findings on FRR and MVAS in the three groups (P<.05). Conclusion: We demonstrated that intervention using joint mobilization, gym ball exercises, and breathing exercises improve FRP and pain in patients with CLBP.
Asymmetrical posture during static stance has been identified as a common problem in persons with hemiplegia. This study examined the effect of a purposeful exercise training program on symmetrical weight bearing in three adult persons with hemiplegia. Multiple baseline design was used. The intervention program, including ball throwing and catching, rolling ball catching and throwing, and Swiss ball pulling and stopping was introduced for 15 minutes each day during each intervention phase. Quantitative measurement of the weight distribution was taken with the Limloader. Visual inspection and mean of data revealed a significant improvement in symmetrical weight distribution. This result suggests that a purposeful exercise training program can be effective in helping persons with hemiplegia achieve symmetric stances.
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