[논문]The Effects of Extensor Pattern Position and Elastic Taping of Non-Dominant Hand on the Grip Strength of Dominant Hand

Lee, Jung-Hoon; Yoo, Won-Gyu; An, Duk-Hyun

The Effects of Extensor Pattern Position and Elastic Taping of Non-Dominant Hand on the Grip Strength of Dominant Hand 원문보기

한국전문물리치료학회지 = Physical Therapy Korea, v.16 no.4, 2009년, pp.8 - 15

Lee, Jung-Hoon (Dept. of Physical Therapy, The Graduate School, Inje University) , Yoo, Won-Gyu (Dept. of Physical Therapy, College of Biomedical Science and Engineering, Inje University) , An, Duk-Hyun (Dept. of Physical Therapy, College of Biomedical Science and Engineering, Inje University)

Abstract ▼ AI-Helper

Grip strength is an objective indicator for evaluating the functional movement of upper extremities. Therapists have been using it for a long time as an excellent barometer for evaluating the therapy process, therapeutic effects and prognosis of patients with injuries in upper extremities. This study investigated the effects of extensor pattern position and elastic taping of non-dominant hand on the grip strength of dominant hand among general adults. The subjects of this study were 23 males and 7 females from physical therapy departments of 3 Universities located in Busan who agreed to participate in the experiment and the resultant data were analyzed using SPSS version 12.0. The results of the study were as follows. First, there was a significant difference between the grip strength of dominant hand when the non-dominant hand was at the neutral position and that when the non-dominant hand was at the extensor pattern position and both hands were at the maximum strength simultaneously (Bonferroni-corrected p<.001). Second, there was a significant difference between the grip strength of dominant hand when the non-dominant hand was at the neutral position and that when the elastic taping of non-dominant hand was applied (Bonferroni-corrected p<.001). Third, there was no significant difference between the grip strength of dominant hand when the non-dominant hand was at the extensor pattern position and both hands were at the maximum strength simultaneously and that when the elastic taping of non-dominant hand was applied. The irradiation effects through the extensor pattern position of non-dominant hand and application of the elastic taping to non-dominant hand showed significant results in improving the maximum grip strength of dominant hand. This finding could be suggested as the probability for the indirect treatment of the upper extremities of hemiplegia and orthopedic patients due to the long-term fixing of upper extremities.

주제어

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문제 정의

However, there has been no study on how the state of the non-dominant hand affects the maximum grip strength of the dominant hand. Consequently, the purpose of this study is to examine the simultaneous maximum grip strength of healthy adults with the extension pattern position of the non-dominant hand intended to produce irradiation effects, and the effect of the application of elastic taping to the non-dominant hand on the increases in the grip strength of the dominant hand.

가설 설정

1. The grip strength of dominant hand when the non-dominant hand was at the neutral position.

제안 방법

In the processes of this experiment, an extensor pattern position was made by having the subject take the maximum extension position of the shoulder joint and the internal rotation position of the upper extremity. The subject was then asked to grip a 7.
In this study, experiments were conducted on 23 males and 7 females to examine whether the simul-taneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand, and the application of elastic taping affected increases in the grip strength of the dominant hand. There were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and the grip strength of the dominant hand at the time of the simultaneous maximum grip strengths of both hands, with the extensor pattern position of the non-dominant hand.
In the processes of this experiment, an extensor pattern position was made by having the subject take the maximum extension position of the shoulder joint and the internal rotation position of the upper extremity. The subject was then asked to grip a 7.5 ㎝ long bar with a diameter of 3.5 ㎝ with the non-dominant hand for isometric contractions of both hands, and was asked to induce simultaneous maximum grip strength contractions on both hands. The elastic taping was made by attaching elastic tapes to the flexor carpi ulnaris, extensor carpi ulnaris, and triceps brachii among the extensor synergic movement muscles of the upper extremity beginning from their origins and ending to their insertions.
This study was conducted to apply the irradiation effect obtained through the simultaneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand, and through elastic taping applied to the non-dominant hand to healthy adults in order to examine their effects on the grip strength of the dominant hand. Based on the results of the post-hoc tests, there were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and the grip strength of the dominant hand at the time of the simultaneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand (p<.

대상 데이터

The subjects of the study were 23 males and 7 females in the physical therapy departments of three universities located in Busan. Those who had no limitation in the range of movement of the wrist and elbow joints that might remarkably affect grip strength, and had no orthopedic disorder such as deformity, fracture, arthritis, or tenosis, whose muscles are not in a tired state due to excessive exercises, and whose musculoskeletal systems have not been injured within the last four weeks were selected.
The subjects of the study were 23 males and 7 females in the physical therapy departments of three universities located in Busan. Those who had no limitation in the range of movement of the wrist and elbow joints that might remarkably affect grip strength, and had no orthopedic disorder such as deformity, fracture, arthritis, or tenosis, whose muscles are not in a tired state due to excessive exercises, and whose musculoskeletal systems have not been injured within the last four weeks were selected. of the subjects, 27 were right-handed, and 3 were left-handed (Table 1)

데이터처리

0 program. The one-way repeated ANOVA was used to examine differences in grip strength values among the three postures. The comparative analysis of the three postures was post-hoc tested by the Bonferroni's correction.

성능/효과

2. The grip strength of dominant hand when the non-dominant hand was at the extensor pattern position and both hands were at the maximum strength simultaneously.
Based on the results of the post-hoc tests, there were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and that of the dominant hand at the time of the simultaneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand (Bonferroni-corrected p<.001).
Based on the results of the post-hoc tests, there were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and the grip strength of the dominant hand at the time of the simultaneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand (p<.05).
The grip strength values of the dominant hand were tested with the neutral position of the non-dominant hand, with the extensor pattern position of the non-dominant hand, and when elastic taping was applied to the non-dominant hand. Based on the results, the average of the maximum grip strength of the dominant hand was the highest at 109.45 ℓb, when elastic taping was applied to the non-dominant hand, followed by that at 107.65 ℓb, with the extensor pattern position of the non-dominant hand, and then at 99.86 ℓb with the neutral position of the non-dominant hand in the order of precedence (Table 2). Based on the results of the post-hoc tests, there were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and that of the dominant hand at the time of the simultaneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand (Bonferroni-corrected p<.
In this study, experiments were conducted on 23 males and 7 females to examine whether the simul-taneous maximum grip strengths of both hands with the extensor pattern position of the non-dominant hand, and the application of elastic taping affected increases in the grip strength of the dominant hand. There were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and the grip strength of the dominant hand at the time of the simultaneous maximum grip strengths of both hands, with the extensor pattern position of the non-dominant hand. And there were significant differences between the grip strength of the dominant hand with the neutral position of the non-dominant hand, and the grip strength of the dominant hand when elastic taping was applied to the non-dominant hand the non-dominant hand.

후속연구

It is considered that further studies should be conducted on actual patients by applying irradiation effects created using extensor pattern positions, and elastic taping to the unaffected upper extremity when treating patients with problems in the muscle strength of the upper extremity or hemiplegia patients. This is required for studying their effects on the changes in the functions of the paralyzed or weakened upper extremity or hands.
In addition, studies were not conducted on potential effects of elastic taping that may be reflected on the next process if the next test is conducted before the effect of elastic taping does not disappear after elastic taping was removed. Third, it could not be identified whether the grip strength of the non-dominant hand was the result of the maximum muscle contraction, and the failure to use the equipment that could produce values to show if both hands simultaneously contracted maximally is a point that should be improved in future studies. Fourth, since grip strengths were measured only in sitting positions, possibilities that might appear in other positions could not be examined.

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