[논문]Acute Effects of Dynamic Stretching and Self-Mobilization of the Ankle Joint on Dorsiflexion Range of Motion, Muscle Strength, and Balance in Healthy Adults

Kim, Kyoung-Han; Choi, Yun-Seo; Jeon, Jeongwoo; Hong, Jihoen; Yu, Jaeho; Kim, Jinseop; Kim, Seong-Gil; Lee, Dongyeop

doi:10.15268/ksim.2022.10.3.063

Acute Effects of Dynamic Stretching and Self-Mobilization of the Ankle Joint on Dorsiflexion Range of Motion, Muscle Strength, and Balance in Healthy Adults 원문보기

Journal of the Korean Society of Integrative Medicine = 대한통합의학회지, v.10 no.3, 2022년, pp.63 - 72

Kim, Kyoung-Han (Dept. of Physical Therapy, Sunmoon University) , Choi, Yun-Seo (Dept. of Physical Therapy, Sunmoon University) , Jeon, Jeongwoo (Dept. of Physical Therapy, Sunmoon University) , Hong, Jihoen (Dept. of Physical Therapy, Sunmoon University) , Yu, Jaeho (Dept. of Physical Therapy, Sunmoon University) , Kim, Jinseop (Dept. of Physical Therapy, Sunmoon University) , Kim, Seong-Gil (Dept. of Physical Therapy, Sunmoon University) , Lee, Dongyeop (Dept. of Physical Therapy, Sunmoon University)

Abstract ▼ AI-Helper

Purpose : Several studies have investigated the effects of dynamic stretching (DS) and self-mobilization (SM), however, studies comparing the two interventions are rare. Therefore, the purpose of this study was to compare the effects of DS and SM on ankle strength, dorsiflexion range of motion (DFROM), and balance to determine which is superior. Methods : Thirty-two healthy young adults participated in this study. Participants were randomly assigned to two groups (SM and DS). DS was performed for the purpose of stretching the medial gastrocnemius muscle. For the SM group, ankle joint SM was performed in three ways. For all participants, the following measurements were performed as pre- and post-tests: isometric strength of dorsiflexor and plantar flexor, weight-bearing lunge test (WBLT) to evaluate DFROM, Tetrax system to evaluate static balance, and y balance test (YBT) to evaluate dynamic balance. Differences before and after the intervention within each group were compared using paired t-test. Also, the variable's variation was compared between groups using an independent t-test. Results : Significant differences were found in ankle dorsiflexor strength, WBLT, YBT, weight distribution index (WDI) (pillow and opened eyes; PO), and stability index (ST) (normal and closed eyes; NC) before and after intervention in the SM group (p<.05). In the DS group, significant differences were found in ankle dorsiflexor and plantar flexor strength, WBLT, YBT anterior, WDI (normal and opened eyes; NO, PO), and ST (NO, NC, PO, pillow and closed eyes) before and after the intervention (p<.05). Ankle plantar flexor strength and WDI (PO) were significantly different between groups. Conclusion : Based on the results of this study, DS or SM can be considered as a possibility for selective use according to variables for improving ankle joint function (DFROM, muscle strength, balance).

주제어

표/그림 (9)

그림 Fig 1. Weight-bearing lunge test
그림 Fig 2. Isometric strength measurement of ankle dorsiflexor and plantar flexor
그림 Fig 3. TETRAX system
그림 Fig 4. Y balance test
그림 Fig 5. Dynamic stretching
그림 Fig 6. Self-mobilization
표 Table 1. General characteristics of subjects (n=32)
표 Table 2. Comparison of ankle strength, dorsiflexion range of motion, and balance (static and dynamic) within group (n=32)
표 Table 3. Comparison of variations in ankle strength, dorsiflexion range, and balance (static and dynamic) between groups (n=32)

AI 본문요약
AI-Helper

문제 정의

Although many studies have reported on the positive effects of each of DS and SM, few studies have confirmed which one is superior based on the comparison of the effects of the two interventions on various variables such as ROM, balance, and strength. Therefore, the purpose of this study was to compare the acute effects of DS and SM on DFROM, static and dynamic balance, and muscle strength in healthy adults. The data collected in this study can be useful data for professionals and patients in need of ankle joint rehabilitation.

제안 방법

This study was conducted to compare the acute effects of SM and DS on ankle muscle strength, DFROM, and dynamic and static balance in healthy young adults.
This study was conducted to investigate the acute effects of DS and SM on the DFROM, muscle strength, static balance, and dynamic balance of the ankle joint. As a result of the study, it was found that both DS and SM were effective in improving DFROM.

대상 데이터

Thirty-two healthy adults participated in this study. Participants filled out questionnaires aimed at identifying physical trauma or surgical history, neuromuscular injury, and those who were not participating in any other exercise program were selected for this study. Participants with a history of lower extremity injury, neurological diseases, vestibular organ damage, ankle instability, ankle pain, or inflammatory diseases were excluded from this study.
To account for dropouts, we recruited 32 participants. Thirty-two healthy adults participated in this study. Participants filled out questionnaires aimed at identifying physical trauma or surgical history, neuromuscular injury, and those who were not participating in any other exercise program were selected for this study.
7, Düsseldorf, Germany) required sample size of n = 14 for each group. To account for dropouts, we recruited 32 participants. Thirty-two healthy adults participated in this study.

데이터처리

As a result, we proved that the collected data follows a normal distribution which allowed us to use parametric statistics. Paired t-test was used to compare the differences before and after the intervention within the group, and an independent t-test was used to compare the differences in outcomes between each group. For statistical analysis, IBM SPSS statistical software version 22.
Descriptive statistics were used to calculate the mean and standard deviations of each group. To confirm that the collected data follows the normal distribution, we conducted the test of normality by using the Shapiro-Wilk test. As a result, we proved that the collected data follows a normal distribution which allowed us to use parametric statistics.

이론/모형

Weight-bearing lunge test (WBLT) was performed to measure the change in the weight-bearing DFROM of the ankle joint. WBLT has been reported as an appropriate method to evaluate DFROM through previous studies (Cruz-Díaz et al.

성능/효과

This study was conducted to investigate the acute effects of DS and SM on the DFROM, muscle strength, static balance, and dynamic balance of the ankle joint. As a result of the study, it was found that both DS and SM were effective in improving DFROM. DS was found to be effective in improving DF and PF muscle strength, and SM including posterior gliding was found to be effective in improving DF muscle strength.
In addition, it was confirmed that DS was effective in static balance, and SM was effective in dynamic balance. Based on the results of this study, DS or SM can be considered as a possibility for selective use according to variables for improving ankle joint function (DFROM, muscle strength, balance).
As a result of the study, it was found that both DS and SM were effective in improving DFROM. DS was found to be effective in improving DF and PF muscle strength, and SM including posterior gliding was found to be effective in improving DF muscle strength. In addition, it was confirmed that DS was effective in static balance, and SM was effective in dynamic balance.
This study has several limitations. First, the number of sample groups was small with 32 participants, and caution is needed in generalizing it to all age groups by conducting it for healthy men and women in their 20s. Second, due to the different types of exercise between the two groups, the intensity and time required for exercise between the groups could not be completely matched.
, 2014). For this reason, it is believed that DS showed a significant improvement in static balance unlike SM in the experimental results.
DS was found to be effective in improving DF and PF muscle strength, and SM including posterior gliding was found to be effective in improving DF muscle strength. In addition, it was confirmed that DS was effective in static balance, and SM was effective in dynamic balance. Based on the results of this study, DS or SM can be considered as a possibility for selective use according to variables for improving ankle joint function (DFROM, muscle strength, balance).
In the DS group, significant differences were found in ankle dorsiflexor and plantar flexor strength, WBLT, YBT Ant, WDI (NO, PO), and ST (NO, NC, PO, PC) before and after the intervention (p<.05).
First, the number of sample groups was small with 32 participants, and caution is needed in generalizing it to all age groups by conducting it for healthy men and women in their 20s. Second, due to the different types of exercise between the two groups, the intensity and time required for exercise between the groups could not be completely matched. Third, this study compares only the acute effects of DS and SM, and it is difficult to find out the long-term effects.
Significant differences were found in ankle dorsiflexor strength, WBLT, YBT, WDI (PO), and ST (NC) before and after intervention in the SM group (p<.05)

후속연구

Therefore, the purpose of this study was to compare the acute effects of DS and SM on DFROM, static and dynamic balance, and muscle strength in healthy adults. The data collected in this study can be useful data for professionals and patients in need of ankle joint rehabilitation.
Third, this study compares only the acute effects of DS and SM, and it is difficult to find out the long-term effects. Therefore, future studies need to revise and supplement these limitations.
Second, due to the different types of exercise between the two groups, the intensity and time required for exercise between the groups could not be completely matched. Third, this study compares only the acute effects of DS and SM, and it is difficult to find out the long-term effects. Therefore, future studies need to revise and supplement these limitations.

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