The purpose of this study was to assess the influence of waist size on the reliability and validity of pedometers to count steps in children and youth. The participants for this study were 20 children and youth, composed of 14 Hispanic and 6 Caucasian children. Ten children and youth had waist circumferences greater than the $85^{th}$ percentile (Body Mass Index (BMI)=$28.91\pm3.07$), and 10 children and youth had waist circumferences smaller than the $50^{th}$ percentile (BMI=$18.05\pm1.55$). To examine pedometer reliability, each child completed 3 ascent and descent trials up a set of 15 stairs while wearing a Yamax SW-701 pedometer. The main effect of trials was not statistically significant for the stair ascent trials F (2, 36)=2.575 or for the descent trials F (2, 36)=0.235. The trial by group interaction was also not statistically significant. To examine the influence of waist circumference on the validity of the pedometer in counting walking steps at a self-selected walking pace, the children and youth in the two groups completed a 400-m course. The main effect on the groups was statistically significant, F (1, 18)=7.489. The main effect of counting techniques was not statistically significant, F (1, 18)=2.983 (hand-counted vs. pedometer counted). Overall, the trial and trial by group interaction comparisons for the 400-m walk were not statistically significant, suggesting that the pedometer was equally valid as a tool for assessing walking steps in high waist circumference (HWC) and low waist circumference (LWC) in children and youth.
Journal of The Korean Society of Integrative Medicine
/
v.4
no.1
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pp.73-83
/
2016
PURPOSE : The purpose of this study to suggest the exercise programs for improving the function and structure by applying the Masan university scoliosis program exercise method and electrical therapy method to the scoliosis patient. METHODS : The subjects were 18 patients who were diagnosed with scoliosis. They were randomly assigned either to a Masan university scoliosis program exercise group (n=11) that received Masan university scoliosis program exercise program or to a electrical therapy group (n=7). Flexibility, static balance, dynamic balance, and spinal angles were measured by using one leg standing with closed eyes, functional reach test, and Cobb's angle, respectively. The chest expansion were calculated using differences of chest circumference between maximum inspiration and maximum expiration. RESULT : Masan university scoliosis program group before and after the intervention there was a difference in the static balance, spine angle(p<.05). Masan university scoliosis program group before and after the intervention there was a difference in the flexibility, static balance, spine angle, chest expansion (p<.05). CONCLUSION : These results revealed that Masan university scoliosis program exercise program improved flexibility, static standing balance, spine angle, used as scoliosis management and intervention. Therefore, it is expected to be used as a method for the treatment and prevention in the process of rehabilitation of patients with scoliosis.
This study analyzed the effect of regular Taekwondo training for 16 weeks on physical fitness and growth index depending on different IGF-1 gene polymorphisms. The subjects of the study were 44 male students who were 8 year years old. The IGF-1 gene showed the highest frequency of 18 CA repeat (190 bp) in 50% of subjects, and was found in the homozygote (n=11), heterozygote (n=22) and non-carriers (n=11). The results of the physical fitness and growth index among the gene polymorphism groups indicated no significant differences but the expected height of the non-carrier group was significantly high (p<0.05). After Taekwondo training, the homozygote group and the non-carrier groups demonstrated significant (p<0.05) increase in grip strength and in time in the standing with one leg while closing eyes test, respectively. Only the homozygote group had a significant (p<0.05) increase in thigh circumference. IGF-1 concentration significantly (p<0.05) increased in the heterozygote group, while HOMA-IR significantly (p<0.05) decreased in the homozygote group. Furthermore, there was a significant (p<0.05) decrease in glucose in both the homozygote and the non-carriers groups. The difference between physical fitness and growth index depending on the IGF-1 gene polymorphism after Taekwondo training did not show consistent impact.
Journal of the Korea Academia-Industrial cooperation Society
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v.12
no.12
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pp.5789-5796
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2011
This study examined the effect of VT(Vibration Training) on the symptoms of DOMS (Delayed-Onset Muscle Soreness) before induced by eccentric exercise of the left leg triceps surae. Twenty one healthy adult men and women who had not participated in a regular exercise program for the lower extremities were assigned to one of two experimental groups: vibration training group, Control group. We measured the VAS(Visual Analogue Scale), ankle plantar flexor strength, triceps surae circumference, CK(Creatine Kinase) before and after exercise and 24, 48 and 72 hours after eccentric exercise. After inducing DOMS, VAS showed significant differences between groups at a point of time 48 hours, and showed significant differences within groups in accordance with the time of measurement(p<.05). Plantar flexor strength of groups with VT did not show significant difference between groups but, showed significant differences within groups in accordance with the time of measurement(p<.05). Triceps surae circumference of groups with VT did not show significant difference between groups but, showed significant differences within groups in accordance with the time of measurement(p<.05). CK of groups with VT did not show significant difference between groups but, showed significant differences within groups in accordance with the time of measurement(p<.05). As a result of the study, VT prior to eccentric exercise is effective to inhibit pain. So, this method can be suggested to prevent DOMS in doing an unfamiliar activites.
The Journal of the Convergence on Culture Technology
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v.4
no.3
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pp.275-285
/
2018
The purpose of this study was to examine the effect of the application of elastic compression stocking during the stand for a long hours of works on edema and pain of lower extremities in ward nurses. Methods: The experimental group was subjected to elastic pressure tights for 5 days from the beginning to the end, and lower extremity edema and ankle and calf circumference were measured. Results: "There are significant differences in lower extremity pain the experimental group of elastic compression stocking and control group" was supported(p<.001). "There are significant differences in lower extremity edema the experimental group of elastic compression stocking and control group" was supported (p<.001). Conclusion: Applying elastic pressure stocking as a method of management of lower extremity pain and lower extremity edema in ward nurses, relieving symptoms related to lower extremity pain and lower extremity edema during work. This is an effective way to prevent problems and improve the health of nurses and provide quality nursing care.
Journal of the Korean Society of Physical Medicine
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v.9
no.1
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pp.11-23
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2014
PURPOSE: The purpose of this study suggests the exercise programs for improving the function and structure by applying the Schroth exercise method and sling exercise method to the scoliosis patient. METHODS: The subjects were 16 patients who were diagnosed with scoliosis. They were randomly assigned either to a Schroth exercise group (n=8) that received Schroth exercise program or to a sling exercise group (n=8) that received sling exercise program. Flexibility, static balance, dynamic balance, and spinal angles were measured by using the modified sit and reach test, one leg standing with closed eyes, functional reach test, and Cobb's angle, respectively. The chest expansion were calculated using differences of chest circumference between maximum inspiration and maximum expiration measured under armpits, at the junction between the sternum and xiphoid process, and at the waist. RESULT: Schroth group before and after the intervention there was a difference in the static balance, spine angle, chest expansion (p<.05). sling group before and after the intervention there was a difference in the flexibility, static balance, spine angle, chest expansion (p<.05). There were significantly differences between the both groups for chest expansion thoracic level inspiratory variables at post-exercise. CONCLUSION: These results revealed that two exercise program improved flexibility, static standing balance, spine angle, chest expansion level and ability used as scoliosis management and intervention. Therefore, it is expected to be used as a method for the treatment and prevention in the process of rehabilitation of patients with scoliosis.
Purpose: The purpose of this study was to identify the effects of Ankle Pump Exercise on lower limb edema and pain of operating room nurses. Methods: This research was arranged on the basis of the nonequivalent control group pre-post test design. The participants were 41 nurses working in the operating room in 'S' hospital in Seoul and 'H' hospital in Guri City, Korea. Data were collected from August 20 to September 30, 2012. Edema of the lower extremities was measured in terms of the girths of ankles and calves. Pain of the lower extremities was measured in terms of VAS (Visual Analogue Scale) for pain. The data were analyzed by frequency, percentage mean, and standard deviation, using the chi2(p) and t-test, repeated measures ANOVA, and a paired t-test. The SPSS Win 20.0 program was used for analysis. Results: Hypothesis 1 - "There are significant differences in lower extremity edema between the experimental group and the control group." - was partially supported. Hypothesis 2 - "There are significant differences in lower extremity pain between the experimental group and the control group." - was supported. Conclusion: The results of this study demonstrate positive practical effects of the Ankle Pump Exercise in reducing the circumference of both ankles, reducing the circumferential edema of both calves, and alleviating the pain of nurses in the operating room. Based on these findings, application of the Ankle Pump Exercise can be considered as an effective method to prevent nurses' health problems in the lower extremities that can be induced by their work during surgical operations.
Proceedings of the Korean Society of Precision Engineering Conference
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2001.04a
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pp.551-554
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2001
A necessity of remote control robots or various searching robots etc. that accomplish works given instead of human under long distance and extreme environment such as volcano, universe, deep-sea exploration and nuclear power plant etc. is increasing, and so the development and the research regarding these mobile robots are actively progressing. The wheel mobile robot or the track mobile robot have a sufficient energy efficiency under this en, but also have a lot of limits to accomplish works given which are caused from the restriction of mobile ability. Therefore, recently many researches for the walking robot with superior mobility and energy efficiency on the terrain, which is uneven or where obstacles, inclination and stairways exist, have been doing. The research for these walking robots is separated into fields of mechanism and control system, gait research, circumference environment and system condition recognition etc. greatly. It is a research field that the gait research among these is the centralist in actual implementation of walking robot unlike different mobile robots. A research field for gait of walking robot is classified into two parts according to the nature of the stability and the walking speed, static gait or dynamic gait. While the speed of a static gait is lower than that of a dynamic gait, a static gait which moves the robot to maintain a static stability guarantees a superior stability relatively. A dynamic gait, which make the robot walk controlling the instability caused by the gravity during the two leg supporting period and so maintaining the stability of the robot body spontaneously, is suitable for high speed walking but has a relatively low stability and a difficulty in implementation compared with a static gait. The quadruped walking robot has a strong point that can embody these gaits together. In this research, we will develope an autonomous quadruped robot with an asaptibility to the environment by selectry appropriate gait, element such as duty factor, stride, trajectory, etc.
The purpose of this study is to analyze the pattern of the present flight suit, to select variables of human body and key dimensions for making pattern of the flight suit, and to decide the most appropriate size of human body and rate of ease for designing an overall flight suit. For analyzing the pattern of flight suit, we used "M95Special" (men ; chest circumference 92-97 cm ; height : above 177 cm), which was indicated as the standard of the Ministry of National Defense. We analyzed general appearance and the actual dimensions of the pattern of the flight suit. As a result of analyzing the pattern, flight suit was front-opened overall style which had a flat collar with rounded edges, two-pieced sleeves with lower height of the sleeve's cap, 3cm-width belt on the waist and 8 pockets. To decide the most appropriate size of human body, we selected 20 variables of human body in the 359 variables of the Size Korea by referring the previous studies. The 20 variables of human body were 9 circumferences (chest, waist, hip, neck, armscye, wrist, thigh, knee, and ankle), 9 lengths (stature, back interscye fold, waist back, crotch height, crotch, body rise, arm, outside leg and total), and 2 breadths (biacromial and chest). We drew out the size of 20 variables from the Size Korea and US Army anthropometry data and decided the most appropriate values from the drawn data for applying to the pattern of flight suit.
Purpose: This retrospective study was designed to evaluate the treatment results of chronic Achilles tendon rupture by Lindholm method. Materials and Methods: Between 2002 and 2006, we performed the reconstruction of the Achilles tendon by using of the gatrocnemius-sloeus fascia known as Lindholm method. Ten cases of ten patients were enrolled in this study (8 men and 2 women). The mean age of the patients at the time of operation was 49 years (range, 32${\sim}$66 years). The mean follow-up duration was 15.2 months (range, 12${\sim}$19 months). The retrospective review of the clinical history, physical examination, the American Orthopedic Foot and Ankle Society (AOFAS) score were conducted. Results: The mean AOFAS score before surgery was 74.10${\pm}$2.56 and that of the latest follow-up was 90.60${\pm}$5.72. The excellent results were six and good results were four patients. Eight patients were normal triceps power and the others were good. The average of heel to floor distance was 4.5 mm less in the operated legs than the contralateral ones in each patient, but there was no significant difference (p>0.05). The average of calf muscle circumference in the mid-leg was 7.5 mm less in the operated legs than the contralateral ones and there was significant difference (p<0.05). The active range of motion of the ankles, mean plantarflexion was 40 degrees and dorsiflexion was 16.8 degrees in operated side. The contralateral side was 43 degrees in plantarflexion and 19 degrees in dorsiflexion. No case showed rerupture of the reconstructed Achilles tendon. One patient had the superficial wound infection which was treated successfully by antibiotic therapy. Conclusion: It was suggested that the overall results of Lindholm method for the chronic Achilles tendon rupture indicated satisfactory outcomes.
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