Earticle

이 연구는 대학 태권도 품새, 격파, 겨루기 선수들이 8주간 케틀벨 훈련이 하지 근 기능과 코어안정성의 효과에 대해 확인하였다. 연구대상자들은 각 종목별 10명씩 전체 30명이 참여했으며 주 2회 참여하였다. 하지 근 기능의 세부요 인으로는 넙다리네갈래근(넙다리곧은근, 안쪽넓은근, 가쪽넓은근, 중간넓은근)의 두께와 무산소성파워(체중 당 최고파 워와 평균파워, 피로도율), 등속성 근기능(무릎관절 굴곡과 신전)을 확인하였으며, 코어안정성은 8방향으로 정의하여 살펴보았다. 실험을 통해 수집된 자료는 SPSS 27.0프로그램을 이용하고 통계적 유의수준은 α=.05로 설정하였다. 연구 결과 넙다리네갈래근의 안쪽넓은근과 가쪽넓은근에서 품새와 격파선수들이 겨루기 선수들보다 우수한 것으로 나타났으 며, 무산소서아 파워는 체중 당 최고파워가 품새와 겨루기 선수들이 격파선수들보다 우수하게 나타났다. 무릎관절의 등속 성 근 기능은 좌,우측 신전근육에서 케틀벨 운동 이후 향상된 것을 확인했으며, 코어안정성은 0°를 제외한 7방향에서 모두 향상된 것으로 나타났다. 태권도 선수들에게 케틀벨 훈련은 등속성 근기능과 코어안정성의 효과가 모두 나타났으며 근 두께와 무산소성 파워는 집단 간의 차이만 있는 것을 확인할 수 있었다.

This study confirmed the effects of 8-week kettlebell training on lower extremity muscle function and core stability in university taekwondo poomsae, breaking, and sparring players. A total of 30 participants, 10 for each event, participated in the study twice a week. The detailed factors of the lower extremity muscle function include the thickness of the quadriceps (rectus femoris, vastus medialis, vastus lateralis, vastus medialis), anaerobic power (peak power and average power per body weight, fatigue rate), and constant velocity. Muscle function (flexion and extension of the knee joint) was confirmed, and core stability was defined in eight directions. The data collected through the experiment used the SPSS 27.0 program, and the statistical significance level was set at α=.05. As a result of the study, it was found that the poomsae and breaking players were superior to the contestants in the vastus medialis muscle and the vastus lateralis of the quadriceps muscle, and the peak power per weight in anaerobic aerobic power was higher for the poomsae and contestants than the breaking players. appear. It was confirmed that the isokinetic muscle function of the knee joint was improved after kettlebell exercise in the left and right extensor muscles, and core stability was found to be improved in all 7 directions except for 0°. For taekwondo players, kettlebell training showed effects on both isokinetic muscle function and core stability, and it was confirmed that there were only differences between groups in muscle thickness and anaerobic power.

Purpose: In this study, we investigated the effects of lower extremity muscle strengthening using kinesio taping on pain, plantar pressure, and the foot function index (FFI) in patients with plantar fasciitis. Methods: The study included 30 patients who were randomly categorized into the lower extremity muscle strengthening with kinesio taping (experimental group, n=15) and the lower extremity muscle strengthening with sham kinesio taping (control group, n=15). Both groups underwent the intervention for 30 min, 5 days/week, over 4 weeks. The visual analog scale (VAS) score was measured based on pain levels in patients with plantar fasciitis. Plantar pressure was measured using the Gaitview AFA-50 system. The FFI was measured based on the functional performance of the foot. The VAS score, plantar pressure, and FFI were recorded pre- and 4 weeks post intervention. Results: We observed significant intragroup differences. Compared with the control group, the experimental group showed significantly greater improvements in the VAS score, plantar pressure, and FFI, 4 weeks post intervention (p<0.05). Conclusion: We observed definitive effects of lower extremity muscle strengthening using kinesio taping on pain, plantar pressure, and FFI in patients with plantar fasciitis.

본 연구는 기립안정종골(RCSP)각이 비대칭인 축구선수의 신체 균형 능력과 하지 근기능을 알아보기 위해 실시하 였으며, 연구 대상자는 축구선수 45명을 종골각비대칭 그룹(CAA, n=24)과 대조 그룹(Con, n=21)으로 구분하였다. 신 체 균형 능력은 정적 균형과 동적 균형으로 구분하여 측정하였으며, 하지 기능은 기능적 움직임 평가(FMS)와 슬관절과 족관절의 등속성 근기능 평가를 실시하였다. 집단 간 차이와 변인 간 차이 검증을 실시하였으며, 연구 결과는 다음과 같다. 정적 균형에서 CAA 의 좌측 발에서 안정성이 감소된 것으로 나타났으며, 동적 균형에서는 그룹 간, 변인 간 유의한 차이가 나타나지 않았다. 기능적 움직임 평가(FMS)에서는 CAA 에서 딥 스쿼트, 인라인 런지, 회전 안정성 테스트, 그리고 전체 FMS 점수에서 낮은 점수가 나타났다. 슬관절과 족관절 내·외번의 등속성 근기능에서는 유의한 차이가 나타나지 않았으 며, 족관절 저측 굴곡 등속성 근력이 감소하고 배측굴곡 등속성 근력이 증가하는 불균형이 나타났다. 따라서, 축구선수의 종골각비대칭으로 신체 균형 능력과 하지 근기능에 차이가 있는 것으로 나타났다.

This study was conducted to investigate the physical balance ability and lower limb muscular function in soccer players with asymmetrical Rearfoot Standing Calcaneal Position (RCSP) angles. A total of 45 soccer players were divided into two groups: the calcaneal angle asymmetry group (CAA, n=24) and the control group (Con, n=21). Physical balance ability was measured by assessing static and dynamic balance, while lower limb function was evaluated using the Functional Movement Screen (FMS) and isokinetic muscle function tests of the knee and ankle joints. Group differences and variable comparisons were analyzed, and the results were as follows. In terms of static balance, reduced stability was observed in the left foot of the CAA group. For dynamic balance, there were no significant differences between groups or variables. In the FMS, the CAA group scored lower in the deep squat, inline lunge, rotary stability test, and overall FMS score. There were no significant differences in isokinetic muscle function for knee and ankle inversion/eversion; however, an imbalance was observed, with decreased isokinetic strength in ankle plantar flexion and increased strength in dorsiflexion. Therefore, it was found that asymmetrical calcaneal angles in soccer players affect physical balance ability and lower limb muscular function.

본 연구는 12주간의 플라이오메트릭 트레이닝이 레슬링선수의 경기관련 체력 및 하지근기능에 미치는 영향을 알아보기 위하여 수행되었다. 이를 위하여 엘리트 레슬링선수(실험군 8, 통제군 8)를 대상으로 플라이오메트릭 트레이닝 을 12주 실시한 결과 다음과 같은 결론을 얻었다. 첫째, 경기관련 체력 변화 중 근력, 근지구력, 심폐지구력, 순발력에서 유의한 차이가 나타났다. 둘째, 하지근기능의 변화 중 등속성 근력, 등속성 파워에서 유의한 차이가 나타났다. 결론적으로, 플라이오메트릭 트레이닝은 엘리트 레슬링선수의 경기관련 체력 및 하지근기능에 긍정적인 변화를 제공하는 운동프로그 램임을 확인할 수 있었다. 즉, 플라이오메트릭 트레이닝은 엘리트 레슬링선수의 신체 능력을 향상하는데 긍정적인 영향을 미치는 운동으로 생각된다.

This study was conducted to investigate the effect of 12 weeks of plyometric training on the sport related physical fitness and lower extremity muscle function of wrestlers. For this purpose, the following conclusions were obtained as a result of performing plyometric training for elite wrestlers(experimental group 8, control group 8) for 12 weeks. significant differences were found in muscle strength, muscular endurance, cardiorespiratory endurance, and reflex among competition related physical fitness changes. among the changes in lower extremity muscle function, there were significant differences in isokinetic strength and isokinetic power. In conclusion, it was confirmed that plyometric training is an effective exercise program that induces positive changes in the physical functions of elite wrestlers. In other words, plyometric training is considered to be an exercise that has a positive effect on strengthening the physical functions of elite wrestlers.

본 연구의 목적은 레슬링 선수를 대상으로 무산소성 최고파워 수준에 따른 기초체력과 등속성 각근력을 비교 분석 하는 데 있다. 연구대상은 B시, C시의 레슬링 선수 30명을 대상으로 하였다. 그룹은 윈게이트 테스트 후 상대값 최고파워 가 높은 상위그룹(Peak Power High Group; PPHG), 중위그룹(Peak Power Middle Group; PPMG) 그리고 최고파워 가 낮은 하위그룹(Peak Power Low Group; PPLG) 총 세 그룹으로 할당되었다. 자료처리는 세 그룹 간 유의한 차이를 알아보기 위해 일원분산분석을 실시했고, 사후검정은 Scheffe 방법을 이용했다. 연구 결과 제자리멀리뛰기, 서전트점프, 사이드스텝, 장좌체전굴, 악력:오른손, 배근력은 PPHG가 다른 그룹보다 유의하게 높은 것으로 나타났다(p<.05). 무산소 성 운동능력의 절대값 평균파워, 최고파워 그리고 상대값 평균파워, 최고파워는 PPHG가 다른 그룹보다 유의하게 높게 나타났다(p<.05). 등속성 각근력 60°/sec에서 절대값 좌신근, 우신근, 상대값 좌신근, 우신근은 PPHG는 PPLG보다 유의하게 높게 나타났다(p<.05). 등속성 각근력은 180°/sec에서 상대값 좌굴근을 제외한 나머지 변인에서 PPHG가 다른 그룹보다 유의하게 높은 것으로 나타났다(p<.05). 본 연구 결과 최고파워 수준에 따라 레슬링 선수의 기초체력과 무산소성 운동능력 그리고 등속성 각근력에 상당한 영향을 미치는 것으로 생각된다. 이러한 결과를 토대로 레슬링 선수는 무산소성 최고파워를 향상시킬 수 있는 트레이닝 프로그램을 구성하는데 기초자료로 활용될 수 있을 것으로 생각된다.

The purpose of this study was to compare and analyze physical fitness and isokinetic knee strength according to anaerobic peak power level in wrestlers. Subjects for this study were thirty male wrestlers and divided into three groups: peak power high group (PPHG, n=10), peak power middle group (PPMG, n=10) and peak power low group (PPLG, n=10). Statistical analysis was performed using one-way ANOVA followed Scheffe post hoc test. As the result of this study, standing long jump, vertical jump, side-step, sit-and-reach, gtip-strength right, back strength were significantly higer in the PPHG than those in the other groups. The absolute values of average power(AP), absolute peak power(PP), relative values of AP and relative PP in the PPHG showed significant differences compared to the other groups. The absolute values of Left:flexion, Right:extension, relative values of Left:flexion, Right:extension at 60°/sec in the PPHG showed significant differences compared to the other groups. PPHG was significantly higher than that of the other groups in all other variables except for relative left:flexion at 180 °/sec. Based on these results, it is thought that wrestlers can be utilized in composing a training program that can improve anaerobic peak power.

본 연구는 바이오피드백 시스템을 활용한 하지 근력 강화 운동이 지역사회기반 노인에게 어떠한 영향이 있는지 알아본 연구이다. 지역사회기반 노인 10명을 대상으로 주 3회, 6주 동안 바이오피드백 시스템(기능적 전기 자극 동반)을 활용하여 운동을 실시하였다. 데이터 분석은 Wilcoxon signed rank test를 사용하였다. 본 연구 결과 신체 기능은 유의하게 좋아졌으나 근력 및 근육량에서는 유의한 차이가 없었다. 노인들도 지역사회기반 ICT 활용 가정 바이오피드백 훈련이 가능하며, 하지 기능 개선을 유도할 수 있음을 확인할 수 있었지만, 대상자수 확대, 성별 구분, 개인 맞춤형 훈련 방식 제공 등으로 보다 명확한 효과를 입증할 수 있도록 추가적인 연구가 필요하다.

This study is to investigate the effect of lower extremity strength exercise using biofeedback system on community-based elderly. Ten community-based elderly were exercised using the biofeedback system (with functional electrical stimulation) three times a week for six weeks. Data analysis was performed using Wilcoxon signed rank test. Physical function improved significantly, but there was no significant difference in muscle strength and muscle mass. Although elderly people were able to confirm that community-based ICT home biofeedback training could be possible and could lead to improvements in the lower extremity function, further research is needed to demonstrate a clearer effect by expanding the target population, distinguishing the sexes, and providing a personalized training method.

Purpose：The purpose of this study was to investigate effects of kinesio taping of thigh muscle on isokinetic muscular function during closed kinetic chain exercise of lower extremity. Methods：Twenty healthy males were participated in this study. The isokinetic muscular function of closed kinetic chain were measured for peak torque, peak torque % body weight, average power, max rep tot work before and after application of kinesio taping on thigh muscles. Results：At 60°/s peak force and peak force % body weight were significant increased in both extension(p<0.01) and flexion(p<0.001) after applying kinesio taping. At 180°/s average power was significant increased in both extension and flexion after applying taping(p<0.001). At 240°/s max rep tot work was significant increased in both extension(p<0.001) and flexion(p<0.05). Conclusion：This study suggests that application of kinesio taping on thigh muscle was more effective to improve isokinetic muscular function in closed kinetic chain exercise of lower extremity.

본 연구의 목적은 전신진동이 결합된 들숨근 훈련을 적용하여 뇌졸중 환자의 호흡기능 개선 및 다리근육의 기능향상을 위한 운동방법을 제시하는 것이다. 뇌졸중 환자 21명을 임상 표본추출하여 호흡운동을 결합한 전신진동운동을 적용한 집단 1명을 실험군I로, 호흡운동을 결합한 위약운동을 적용한 집단10명을 실험군I로 각각 무작위 배치하여 5주 간, 4일/주, 1회/일, 4세트/1회 중재 프로그램을 시행하였다. 중재 전 최대들숨압 측정기로로 호흡기능을 측정하였고, 표면 근전도로 하지 근활성도를 측정하였으며, 버그발란스 검사를 사용하여 균형능력을 측정한 후, 5주 후에 사후검사를 사전검사와 동일하게 재 측정하여 분석하였다. 실험군I의 집단 내 변화 비교에서는 호흡근력, 넙다리두갈래근, 앞정강근의 활성도 및 균형에서 유의한 차이가 있었다(p<.05). 실험군Ⅱ의 집단 내 변화비교에서는 호흡근력과 균형에서 유의한 차이가 있었다(p<.05). 집단 간 변화 비교에서는 넙다리두갈래근, 앞정강근의 활성도에서 유의한 차이가 있었다(p<.01). 향후에도 신경근 기능을 향상시키기 위한 호흡운동과 전신진동에 대한 프로토콜에 대한 연구가 지속적으로 필요할 것으로 여겨진다.

The purpose of study was to compare respiratory function and quadriceps muscle activity in stroke patients by aplying inspiratory muscle training combined with whole body vibration. In aditon, the purpose of study is to present an exercise method for improving the respiratory function of stroke patients and the function of the lower limb muscles of stroke patients. Totaly, 21 patients with Stroke patients were randomly asigned to two groups through clinical sampling. 1 patients who aplied whole body vibration combined with respiratory exercise were randomly asigned to Experiment Group I, and 10 patients who aplied placebo exercise combined with breathing exercise were randomly asigned to Experiment Group I. And for 5 weks, 4 days/wek, 1 time/day, 4 sets/1 time intervention program was implemented. Before intervention, the respiratory function was measured with a maximum inspiratory presure meter, the lower extremity muscle activity was measured using the surface EMG, and the balance abilty was measured using a bug balance test. And after 5 weks, the post-test was re-measured and analyzed in the same way as the pre-test. In the comparison of changes within the group of experimental group I, there were significant diferences in the activity and balance of the respiratory muscle strength, the biceps femoris, and the anterior tibialis muscle (p<.05). In the comparison of the changes in the experimental group I, there was a significant diference in respiratory strength and balance (p<.05). In the comparison of changes betwen groups, there was a significant diference in the activity of the biceps femoris and anterior tibialis (p<.01). In the future, research on protocols for respiratory exercise and whole body vibration to improve neuromuscular function is considered to be necesary.

This study was to undertake relationship of isokintic muscle function and gender comparison on contractile properties in lower extremities muscles through tensiomyography. This study was participated with basketball players(16 males and 15 females). The contraction time (Tc) and maximum displacement (Dm) were obtained through the biceps femoris (BF), the semitendons (ST), the rectus femoris (RF), vastus medialis(VM), vastus lateralis(VL). Isokinetic muscle functions were measured at 60°sec and 90°/sec. Dm values were significantly lower at female in the RF, VL, and VM of the left knee flexor, and showed faster Tc values at male in the BF of the right knee extensor. The average powers were significantly negatively correlated with the Tc and Dm of the right BF at 60°/sec and the Tc of the right ST at 90°/sec in the knee flexor and the Dm of the left RF at 60°/sec and 90°/sec in the knee extensor. The Tc of the left VM showed a significant positive correlation at 90°/sec. Conclusionally the contraction of the lower extremity muscle was slightly different depending on the gender, and the correlation between the tensiomyography variable and isokinetic muscle function of the leg muscle was slightly different according to the angular velocity.

본 연구는 24명의 노년기 아쿠아로빅스 회원들을대상으로 아쿠아로빅스와 하지근력강화 운동을 12 주간 지속한 집단(n=12)과 아쿠아로빅스 운동만을12주간 지속한 집단(n=12)의 신체구성과 평형성 그리고 슬관절 등속성 근기능 요인에 미치는 영향에대해 비교분석하였다. 그 결과, 첫째, 아쿠아로빅스와 하지근력 운동을복합적으로 실시한 실험집단에서 신체구성 변인 중골격근량 요인에서 통계적으로 유의한 차이를 나타냈으며, 둘째, 체력요인을 집단간 비교 분석한 결과하지근력운동을 12주간 실시한 집단이 근력, 근지구력, 민첩성 능력에서 유의한 향상을 가져온 것으로나타났다. 셋째, 하지 등속성 근기능 요인에서는 슬관절 신전시 등속성 근력 및 근지구력 요인에서 유의한 향상이 나타났다. 결론적으로 아쿠아로빅스 운동이 전반적인 체력향상에 긍정적인 변화를 가져오지만 수중에서의 부력으로 인해 하지근육의 발달을 위해서는 하지근력강화운동프로그램을 병행하는 것이 노인여성의 하지근지구력과 부분적인 체력에 도움을 주는 것을알 수 있었다.

The purpose of this study was to investigate the effect of lower extremity strengthening on exercise that body composition, physical fitness and isokinetic muscle function in the elderly female aquarobics. The subjects were 24 elderly women, who randomly assigned to one of lower extremity strengthening exercise(12) and the control group(12) of the experiment. The participants of intervention programs did exercise 60 minute per day, 3 trials per a week, during 12 weeks. They responded to body composition, physical fitness and isokinetic muscle function before this and after completing exercise intervention. The collected data were analyzed using independent t-test and paired t-test go through SPSS 23.0 version. The results were as follows : First, the post-test data onto body composition factor(skeletal muscle mass) had higher than pre-test similar to that of post-test in the control group. Second, the post-test data onto physical fitness factor(strength, muscular endurance, reaction time) had higher than pre-test score in the exercise intervention group of lower extremity strengthening exercise. But, the score of pre-test was similar to that of post-test in the control group. Third, the post-test data onto isokinetic muscle function factor(peak torque & total work in 60˚, 240˚ extensors) had higher than pre-test scores / scored in the exercise intervention group of lower extremity strengthening exercise. But, the score of pre-test was similar to that of post-test in the control group. Finally, there were significant positive correlations between strength, muscular endurance, reaction time ability and isokinetic muscular strength and endurance. Especially, correlations coefficient of post-test had lower than that of pre-test in the intervention group. One the other hand, correlations coefficient of pre-test and post-test was relatively stable in the control group. In total, these results mean that lower extremity muscles strengthening exercise are an effective intervention program in terms of enhancing physical fitness and lower extremity strength in the elderly female aquarobics.

PURPOSE: Balance exercise as well as lower extremity strengthening exercise (LESE) is known to be effective in patients with knee osteoarthritis (KOA). The purpose of this study was to investigate the effectiveness of performing LESE in conjunction with balance exercise on lower extremity function, range of motion, muscle strength, and balance in patients with KOA. METHODS: The subjects of this study were 25 patients with KOA who were recruited and randomly divided into two groups: 1) those who performed LESE with balance exercise; and 2) those who performed only LESE. Both the groups also received general physical therapy and performed aerobic exercise. The interventions were performed 3 times a week for 4 weeks. To determine the effectiveness of the interventions, we measured Western Ontario and MacMaster Universities Arthritis Index (WOMAC) score, numerical rating scale (NRS) score, passive range of motion (PROM), chair stand test (CST), and Berg Balance Scale (BBS) score at the initiation of the interventions and again after 4 weeks, at the time of completion of the interventions. RESULTS: After 4 weeks of the interventions, both the groups showed significantly improved WOMAC (p<.01), NRS (p<.01), PROM (p<.05), CST (p<.05), and BBS (p<.01) scores. However, there was no significant difference between the groups in terms of the clinical outcomes observed. CONCLUSION: These results suggest that the addition of balance exercise to a LESE regimen in patients with KOA did not provide any additional benefit.