The effect of hip joint exercise using an elastic band on dynamic balance, agility and flexibility in healthy subjects: a randomized controlled trial원문보기
Objective: The purpose of this study was to examine the effects of hip joint exercise using an elastic band on dynamic balance, agility, and flexibility in healthy subjects. Design: Randomized controlled trial. Methods: Thirty-five subjects (between 19 and 23 years) were randomly allocated to two gr...
Objective: The purpose of this study was to examine the effects of hip joint exercise using an elastic band on dynamic balance, agility, and flexibility in healthy subjects. Design: Randomized controlled trial. Methods: Thirty-five subjects (between 19 and 23 years) were randomly allocated to two groups: hip flexion exercise (HFE) group (n=17) and the hip abduction exercise (HAE) group (n=18). The HFE group participated in flexion exercise of the hip joint using an elastic band for 50 minutes a day, three days a week for four weeks, while the HAE group participated in abduction exercises of the hip joint using an elastic band for the same period. Dynamic balance was measured using the timed up and go (TUG) test, agility was measured with the standing long jump, and flexibility was measured using the Schober's test (5 cm, 10 cm). Results: The HFE group showed significant differences in the TUG test, standing long jump, and the Schober's test (10 cm) after training (p<0.05). The HAE group showed significant differences in the TUG test, standing long jump and the Schober's test (5 cm, 10 cm) after training (p<0.05). However, there was no significant difference between the HFE group and the HAE group. Conclusions: Flexion and abduction exercises of the hip joint using and elastic band increased dynamic balance, agility, and flexibility in healthy subjects. Additional research on hip joint exercises using an elastic band for improving dynamic balance, agility and flexibility are necessary.
Objective: The purpose of this study was to examine the effects of hip joint exercise using an elastic band on dynamic balance, agility, and flexibility in healthy subjects. Design: Randomized controlled trial. Methods: Thirty-five subjects (between 19 and 23 years) were randomly allocated to two groups: hip flexion exercise (HFE) group (n=17) and the hip abduction exercise (HAE) group (n=18). The HFE group participated in flexion exercise of the hip joint using an elastic band for 50 minutes a day, three days a week for four weeks, while the HAE group participated in abduction exercises of the hip joint using an elastic band for the same period. Dynamic balance was measured using the timed up and go (TUG) test, agility was measured with the standing long jump, and flexibility was measured using the Schober's test (5 cm, 10 cm). Results: The HFE group showed significant differences in the TUG test, standing long jump, and the Schober's test (10 cm) after training (p<0.05). The HAE group showed significant differences in the TUG test, standing long jump and the Schober's test (5 cm, 10 cm) after training (p<0.05). However, there was no significant difference between the HFE group and the HAE group. Conclusions: Flexion and abduction exercises of the hip joint using and elastic band increased dynamic balance, agility, and flexibility in healthy subjects. Additional research on hip joint exercises using an elastic band for improving dynamic balance, agility and flexibility are necessary.
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문제 정의
Therefore, the purpose of this study was to examine the effect of hip joint exercises using an elastic band on dynamic balance, agility, and flexibility in healthy subjects. We hypothesized that hip joint exercises using elastic band would result in significant improvement of dynamic balance, agility, and flexibility.
가설 설정
Therefore, the purpose of this study was to examine the effect of hip joint exercises using an elastic band on dynamic balance, agility, and flexibility in healthy subjects. We hypothesized that hip joint exercises using elastic band would result in significant improvement of dynamic balance, agility, and flexibility.
제안 방법
Agility is an ability related to the accuracy, quickness, and ease of being able to change in direction during exercise of either the partial or the entire body [25], and in this study, agility was measured with the standing long jump to assess changes in agility before and after intervention. Asadi and Ramírez-Campillo [14] compared the effects of a 6-week cluster versus traditional plyometric training set on standing long jump.
Each member of the HFE group participated in hip flexion exercises using an elastic band for 50 minutes a day, three days a week for four weeks, while the HFA group participated in hip abduction exercises using an elastic band for the same period.
Equilibrium is a state of no movement or a process of regulation of center of gravity (COG) during movement of the base of support (BOS), and Bobath [22] stated that consistent postural control and adaptation processes are necessary to maintain postures and COG in the BOS. In this study, TUG test was used to assess changes in dynamic balance ability before and after intervention.
In this study, dynamic balance was measured using the timed up and go (TUG) test, agility was measured using the standing long jump, and flexibility was measured using the Schober’s test.
The HAE group participated in hip joint abduction exercises using an elastic band for three days a week for four weeks. The exercise program time was 50 minutes in total with five minutes of stretching (warming up), a 15-minutes of exercise, and an additional five 5 minutes of stretching (cool down) in the supine position (25 minutes) (Figure 3) and standing position (25 minutes) (Figure 4), respectively (Table 3).
The HFE group participated in flexion exercises of the hip joint using an elastic band for three days a week for four weeks. The exercise program time was 50 minutes total with five minutes of stretching (warming up), 15-minutes of exercise, and an additional five minutes of stretching (cool down) in the supine position (25 minutes) (Figure 1) and standing position (25 minutes) (Figure 2), respectively (Table 2).
Pressing the measuring tape against subject’s lower back, subjects were instructed to bend forward keeping the knees straight, and the distance between the most superior and inferior marks at the end of the range of movement (ROM) was recorded. The ROM was assessed by measuring the difference in length from the beginning point (from the 15 cm mark) to the end of the range of motion point [15].
대상 데이터
Thirty-five healthy subjects participated in this study. Subjects were randomized into two groups, hip flexion exercise (HFE) group, and hip abduction exercise (HAE) group.
데이터처리
The paired t-test was used for analysis of changes in independent variables before and after the training. The independent t-test was used for analysis of changes in dependent variables between groups. The significance threshold was set at p<0.
The general characteristics are presented as frequencies and percentages, with average and standard deviations also provided. The paired t-test was used for analysis of changes in independent variables before and after the training. The independent t-test was used for analysis of changes in dependent variables between groups.
이론/모형
In this study, the Schober’s test was used to assess changes in flexibility before and after intervention.
성능/효과
In this study, the Schober’s test 5 cm showed no significant differences in the HFE group (from 6.13 to 6.36 cm) but there were significant differences in the abduction group (from 6.16 to 6.45 cm, p<0.05).
In this study, the TUG results showed significant differences in the HFE group (from 7.18 to 5.73 sec) and the abduction group (from 6.68 to 5.55 sec, p<0.05).
In this study, there were significant differences in the standing long jump in the HFE group (from 187.91 to 201.61 cm) and the HAE group (from 185.97 to 202.39 cm, p<0.05).
후속연구
Third, this study did not identify of the effect on strength using an elastic band. In further studies, a comparison of strength with flexion and abduction exercises of the hip joint need to be researched. The findings suggest that hip joint exercises using an elastic band increased dynamic balance, agility and flexibility in healthy subjects.
First, due to a small sample size (HFE group: 10 males, 7 females, abduction group: 11 males, 7 females), it is difficult to make any generalizations. Second, the experiment duration was short (only 12 times), and thus further studies are needed to investigate the long-term intervention effects of hip joint exercises using an elastic band. Third, this study did not identify of the effect on strength using an elastic band.
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