[논문]Effects of Lumbar Stabilization Exercise Program on the Ratio of Abdominal and Back Muscle Strength in White Collar Workers

Kim, Bo-Ram; Park, Sun-Wook; Lee, Han-Suk

doi:10.18857/jkpt.2015.27.6.419

Effects of Lumbar Stabilization Exercise Program on the Ratio of Abdominal and Back Muscle Strength in White Collar Workers 원문보기

Journal of Korean Physical Therapy : JKPT = 대한물리치료학회지, v.27 no.6, 2015년, pp.419 - 424

Kim, Bo-Ram (Department of Physical Therapy, Graduate School, Eulji University) , Park, Sun-Wook (Department of Physical Therapy, Graduate School, Eulji University) , Lee, Han-Suk (Department of Physical Therapy, College of Health Science, Eulji University)

Abstract ▼ AI-Helper

Purpose: This study aimed to evaluate the effects of lumbar stabilization exercise on the abdominal muscle-back muscle ratio in white-collar workers. Methods: Forty white-collar workers without any pain who worked at an information technology (IT) company located in the Gyeonggi province were included in this study. Of these, 20 subjects were randomly allocated to the lumbar stabilization exercise group, whereas the remaining 20 were randomly allocated to the control group. The lumbar stabilization exercise group performed a 40-minute-long exercise once a week for 8 weeks. The strength of the abdominal and back muscles was measured using the CENTAUR 3-D Spatial Rotation Device (BFMC, Germany). Data analysis was conducted using SPSS 18.0 for Windows. The Paired t-test was performed to compare the values measured before and after exercise within each group. The independent sample t-test was performed to analyze the differences between the 2 groups. The statistical significance for all the analyses was set at .05. Results: The strength of the abdominal muscles after the exercise significantly differed between the lumbar stabilization exercise group and the control group (p<0.05). However, the increase in the abdominal muscle-back muscle ratio was significant in only the lumbar stabilization exercise group (p0.05). Conclusion: The improvement of the abdominal muscle-back muscle ratio through lumbar stabilization exercise may have positive effects on lumbar stabilization. Moreover, lumbar stabilization exercise is considered beneficial for the prevention of back pain and musculoskeletal diseases.

주제어

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제안 방법

Accordingly, on the subject of white-collar workers with possible different ratio of abdominal and back muscle strength, the researcher will perform lumbar stabilization exercise program to look into its effect on the ratio.
All movements were conducted keeping basic tension on and maintaining traverse abdominis and pelvic floor muscle.
For case of control group, without administering specific exercise, only prior and post measurements were conducted on lumbar stabilization exercise group for 8 weeks, 50 minutes a week. Before conducting lumbar stabilization exercise, basic tension exercise using transverse abdominis and multifidus was sufficiently instructed with stretching for 5 minutes on the lumber region and legs, respectively, as a warm-up and finish exercise.
Testing was done by fixing pelvis and femur with pad with the subjects keeping neutral posture, putting the chin at “Chin-in” condition in the posture of cervical stabilization.
This study defined what was measured at 0° as back muscle strength and at 180° as abdominal muscle strength.
0 for windows. To analyze the difference in muscle strength of each group comparatively, normality test was conducted and then for homogeneity test, independent sample t-test was conducted within each group. To compare before and after within groups, paired samples T-test was conducted and independent sample t-test was conducted to analyze the difference between the two groups.
For white-collar workers, weakening of abdominal and back muscle strength caused by reduced physical activity gives much difficulty in keeping posture and inconvenience in everyday life. To strengthen such abdominal and back muscle strength, this study conducted lumbar stabilization exercise program on white-collar workers to learn what effect it had on the ratio of the abdominal and back parts.

대상 데이터

This study was made on 40 white-collar workers working for N company located in Gyeonggi-do with random assignment in division into Lumbar stabilization exercise group (20 persons) and Control group (20 persons). All subjects were without the history of lumbosacral legions or trauma for the past one year, or sharp pain or abnormality on neurologic examination.

데이터처리

To analyze the difference in muscle strength of each group comparatively, normality test was conducted and then for homogeneity test, independent sample t-test was conducted within each group. To compare before and after within groups, paired samples T-test was conducted and independent sample t-test was conducted to analyze the difference between the two groups. Statistical significance level was put at p < 0.

성능/효과

In this study, after 8 weeks of lumbar stabilization exercise program, the balance ratio of abdominal-back muscle strength increased almost to 80%. Such increase can be interpreted as very positive because when exercising para-lumbar muscles that perform keeping balance, the balance ratio between flexion and extension should be at the level of 80% (1: 1.
In this study, as a result of conducting lumbar stabilization exercise program on white-collar workers, abdominal muscle strength showed significant improvement similarly to forgoing studies (p < 0.05) but back muscle strength an insignificant improvement (p> 0.05).

후속연구

Another is too small a number of subjects to generalize the result of the study. Also, since the focus was laid on the ratio of abdominal and back muscle strength with limitation in the increase of extensor strength, further studies will be needed to conduct another exercise program for increasing extension jointly.

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저자의 다른 논문 :

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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