[논문]Effects of the Active Static Stretching and Eccentric Exercise of Hamstring Muscles on Flexibility, Strength, and Agility Performance

Kang, Ji-Hun; Kang, Eun-Hyo; Jeon, Jeongwoo; Hong, Jihoen; Yu, Jaeho; Kim, Jinseop; Kim, Seong-Gil; Lee, Dongyeop

doi:10.15268/ksim.2022.10.2.115

Effects of the Active Static Stretching and Eccentric Exercise of Hamstring Muscles on Flexibility, Strength, and Agility Performance 원문보기

Journal of the Korean Society of Integrative Medicine = 대한통합의학회지, v.10 no.2, 2022년, pp.115 - 123

Kang, Ji-Hun (Dept. of Physical Therapy, Sunmoon University) , Kang, Eun-Hyo (Dept. of Physical Therapy, Sunmoon University) , Jeon, Jeongwoo (Dept. of Physical Therapy, Graduate School of 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 : The hamstring is a group of three muscles, biceps femoris, semitendinosus, and semimembranosus, placed behind the thigh. The hamstring is one of the most commonly injured muscles and usually occurs during high-speed, high-intensity exercise. The purpose of this study was to investigate the effect of static stretching and eccentric exercise of hamstrings on flexibility, strength, and functional performance. Methods : This study was conducted on 28 healthy adults. Subjects were divided into a static stretching group (n=15) and an eccentric exercise group (n=13). Subjects measured hamstring flexibility (active knee extension test), hamstring strength (concentric and eccentric peak torque), and functional performance (triple hop for distance and modified 20 m sprint). The intervention was conducted three times a week for six weeks. To compare the difference between values before and after the intervention, paired t-test was used, and an independent t-test was used to compare between groups. Results : In both groups, the active knee extension test, concentric peak torque, triple hop test, and 20 m sprint significantly increased after the intervention compared to before the intervention (p.05). No significant difference was found between the two groups in the effect on the variables (p>.05). Conclusion : Both interventions were found to be effective for flexibility, concentric strength, and functional performance. Eccentric exercise and static stretching are recommended to improve the flexibility and functional performance of the hamstring. This study's results will be considered essential data on the effectiveness of static stretching and eccentric exercise.

주제어

표/그림 (9)

그림 Fig 1. Active knee extension test, SLR 90/90 test A; digital goniometer, B; supine and hip 90 ° knee 90 °, C; AKET
그림 Fig 2. Peak torque (isokinetic dynamometer) A; isokinetic dynamometer, B; starting position, C; leg starting position
그림 Figure 3. Triple hop for distance A; 10 m tapeline, B; starting position, C; triple hop
그림 Figure 4. Modified 20 m sprint
그림 Fig 5. Static stretching
그림 Fig 6. Eccentric exercise A; starting position, B; full hip flexion
표 Table 1. General characteristics of subjects (n=28)
표 Table 2. Comparison of AKET, strength, triple hop test, and 20 m sprint before and after intervention (n=28)
표 Table 3. Comparison of changes in AKET, strength, triple hop test, and 20 m sprint between groups (n=28)

AI 본문요약
AI-Helper

제안 방법

However, although the effectiveness of each intervention has been reported, studies comparing the two interventions are rare. Therefore, the purpose of this study was to investigate the effect of static stretching and eccentric exercise of hamstrings on flexibility, strength, and functional performance.
This study investigated the effects of static stretching and eccentric exercise on flexibility, muscle strength, and functional performance in healthy adults. Both interventions were found to be effective for flexibility, concentric strength, and functional performance.

대상 데이터

To account for dropouts and increase power, we recruited 28 participants. This study was conducted on 28 healthy young adults. Before the experiment, the aims and procedures of this study were sufficiently explained to the participants.
7, Düsseldorf, Germany) required sample size of n=10 in each group. To account for dropouts and increase power, we recruited 28 participants. This study was conducted on 28 healthy young adults.

데이터처리

0 for Windows (SPSS INC, Chicago, IL), and the normality was tested using Shapiro-Wilk. To compare the difference between values before and after the intervention, paired t-test was used, and an independent sample t-test was used to compare between groups. A significance level of α=.

성능/효과

As a result, it showed the eccentric exercise group increasing 12.79 ° and the static stretching group by 12.05 °
Eccentric exercise and static stretching are recommended to improve flexibility and functional performance of the hamstring, and eccentric exercise is more effective in improving concentric peak torque. This study's results will be considered essential data on the effectiveness of static stretching and eccentric exercise.
, 2020). For this reason, it is considered that there was no significant difference between the eccentric and concentric peak torque testing results of static stretching.

후속연구

Second, the values cannot be generalized due to the small number of subjects. It is believed that further study is needed to determine whether eccentric training and active static stretching are effective in the flexibility of other muscles such as the quadriceps femoris, and triceps in addition to the hamstring.

참고문헌 (19)

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상세보기
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상세보기
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상세보기
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상세보기
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상세보기
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