선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
문제 정의
- Therefore, this study was conducted for female university students which have the effects of lumbar stabilization exercise on lower extremity muscular strength.
제안 방법
- All participants of the experiments were prohibited to learn of the experiment results or the meaning of such results. 3 sets of bridge exercises were performed, with 10 minutes of rest between prior exercise and post exercise to prevent muscular exertion. Bridge exercises with a foam roller between the legs were also performed in the same manner.
- Assessment of the flexion extension muscular strength of the knee joint was conducted with the participant positioned on a Biodex dynamometer with a chair angle of 85 degree, and joints except for the knee joint were strapped in such as chest, abdomen, thigh, and feet ankle with adjustable straps during repeated assessment. The dynamometer was set at 90 degrees, the head tilt angle at 0 degree with knee strips attached.
- Both the experiment group preforming only bridge exercise and the group that performs them with foam roller between their knees, consisted of three sets of exercise with each set consisting of three, maintaining 10 seconds of bridge position and 5 seconds of rest.
- In order to measure the flexion extension muscle strength of the leg muscles before and after the experiment, the isokinetic exercise equipment Biodex Medical, Inc, USA was used, with an angular speed of 60 degree/sec with an average of 5 times, with the highest results used to calculate the maximum torque. As a list of measurements, the knee joint’s extension and flexion muscular strength was assessed (Table 2).
- In order to strengthen the lumbar stabilization muscle of the participants of this study, participants were asked to preform bridge exercises with foam rollers attached between both knees, and the flexion extension muscle strength before and after the exercise was compared. In order for the participants to fully understand the topic and procedures of the experiment, they were given a 20 minutes of briefing and practice before the experiment.
- In this research, as the exercise method, the bridge exercise was performed holding a position where the partic ipant is in a straight prone position, knees bent at a 60 degree angle, and by raising the pelvic till the hip bone, knee, and 2nd toe all come into alignment making theangle infront of the pelvic 0 degree.
- In order for the participants to fully understand the topic and procedures of the experiment, they were given a 20 minutes of briefing and practice before the experiment. The experiment consists of comparing the flexion extension muscular strength prior experiment and post experiment in accordance to the exercise position. All participants of the experiments were prohibited to learn of the experiment results or the meaning of such results.
- This research studied the difference of each lumbar stabilization positions and the effects they have on the fortification of the leg’s flexion extension muscular strength, and by comparing which different exercise methods increase muscular strength the most works to plan a more optimal exercise method for lumbar stabilization.
- This research, in order to study the effects lumbar stabilization exercise have on the muscular strength of the lower extremity, compared the bridge exercise which is a widely known lumbar stabilization exercise and compared the 2 applications of the exercises.
대상 데이터
- This research was conducted based on 15 female university students who attend G-university, and the participants were selected from volunteers. The exercise groups were selected as 5 participants who preform bridge exercises, 5 who preform bridge exercises with form roller, and 5 as control group.
데이터처리
- 18 for window”. For each result, the average and standard deviation was calculated, in order to analyze the pre and post results of the leg flexion extension muscle strength, matching sample was used for T-testing, One way ANOVA was conducted to understand the most efficient exercise method, and lastly Duncan was performed as a post-havoc comparison in order to discover the difference between factors.
성능/효과
- After further assessment, the post experiment extension muscular strength of the bridge exercise group with foam rollers between their knees showed the highest and statistically significant results of 152.22 Nm (p<.05).
- After further assessment, the post experiment flexion muscular strength of the bridge exercise group with foam rollers between their knees showed results of 77.72 Nm showing the highest results compared to the bridge exercise group and was statistically significant.
- In the comparison of before and after the experiment during extension, the average result for pre experiment muscular strength of the bridge exercise group was 110.24 Nm, post experiment average results of 117.34 Nm stating that the extension muscular strength after the experiment increased, showing statistically significant results. The bridge exercise group with foam rollers showed pre experiment average of 127.
- In the comparison of before and after the experiment during flexion, the average result for pre experiment muscular strength of the bridge exercise group was 55.7 Nm, post experiment average results of 59.66 Nm, and the bridge exercise group with foam rollers to their knees have shown pre experiment results of 71.36 Nm and post experiment results of 77.72 Nm, showing post experiment muscular strength in flexion has increased but showed no statistical significance.
- Third, in the comparison between the exercise methods, the exercise group with the foam rollers on their knees shows higher results then both the normal bridge exercise group and the control group and was statistically significant.
- With this research, it can be concluded that based on female university students in their 20s, while they preform lumbar stabilization exercises, when they put and squeeze foam rollers with their knees while exercising to raising their pelvis, it can fortify the leg muscular strength that associates with lumbar stabilization. Therefore, it is necessary to choose the correct lumbar exercise in order to fortify leg muscular strength.
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