Comparison of the Effects of Different Crutch Length Measurement Methods on Trunk Muscle Activities in Young Females (젊은 여성의 몸통 근육 활성도 분석을 통한 목발 길이 측정 방법의 효율성 비교)

Hyun Jeon (전현); Duck-Won Oh (오덕원)

doi:10.13066/kspm.2020.15.1.77

Comparison of the Effects of Different Crutch Length Measurement Methods on Trunk Muscle Activities in Young Females

Journal of the Korean Society of Physical Medicine
Abbr : J Korean Soc Phys Med
2020, 15(1), pp.77-84
DOI : 10.13066/kspm.2020.15.1.77
Publisher : The Korean Society of Physical Medicine
Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy
Received : September 19, 2019
Accepted : October 15, 2019
Published : February 29, 2020

Hyun Jeon ¹, Duck-Won Oh ²

¹워크런병원
²청주대학교

Accredited

ABSTRACT

PURPOSE: This study compared the activities of the trunk muscles during crutch walking to determine which of the crutch length measurements is most beneficial. METHODS: Twenty young women volunteered to participate in this study. After adjusting crutch length, the participants performed a three-point walking with nondominant leg limited in weight bearing. This study used six crutch length measurements: (1) Height-40.6cm, (2) Height´.77, (3) Olecranon-to-finger length, (4) Axillary-toheel length, (5) Arm-span length-40.6cm, and (6) Arm-span length´.77. The EMG activities of the internal oblique (IO), rectus abdominis (RA), multifidus (MF), and erector spinae (ES), muscles on the weight bearing side were monitored using wireless surface EMG. RESULTS: The EMG activities of the RA and ES appeared to be significantly different among the crutch length measurements (p<.05). The post-hoc test showed that the ‘Arm-span length-40.6cm’ was significantly greater in the RA activity when compared to the ‘Height´.77’ and ‘Axillary-to-heel length’ measurements, and in the ES activity when compared to ‘Height´.77’ measurements. Furthermore, IO/RA and MF/ES ratios showed significant differences among the crutch length measurements (p<.05). In the post-hoc test, significant difference was observed between ‘Olecranon-to-finger length’ and ‘Arm-span length-40.6cm’ for the IO/RA ratio, and between ‘Height´.77’ and ‘Olecranon-to-finger length’ and between ‘Height´.77’ and ‘Arm-span length-40.6cm’ measurement for the MF/ES ratio. CONCLUSION: These findings suggest that the ‘Height´.77’ measurement is relatively advantageous to optimize the activities of trunk muscles during the crutch walking, and allow simple measurements of the crutch length.

KEYWORDS

Crutch length measurement, Electromyography, Trunk muscles, Walking

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Journal of the Korean Society of Physical Medicine 2023 KCI Impact Factor : 0.45

Comparison of the Effects of Different Crutch Length Measurement Methods on Trunk Muscle Activities in Young Females

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* References for papers published after 2023 are currently being built.

Journal of the Korean Society of Physical Medicine 2023 KCI Impact Factor : 0.45

Comparison of the Effects of Different Crutch Length Measurement Methods on Trunk Muscle Activities in Young Females

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KEYWORDS

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