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Influence of the Supplementary Ki-hap Technique and Verbal Encouragement on Abdominal Muscle Activation during Crunch Exercise in Healthy Subjects: A Pilot Randomized Controlled Trial
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크런치 운동 시 부수적인 기합 기법과 청각적 격려 적용이 정상인의 복부 근육 활성도에 미치는 영향 : 무작위 대조 예비 연구

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Type
Academic journal
Author
Kim, Hyung-Kun (고려대학교 일반대학원 보건과학과) Kim, Chang-Yong (고려대학교 보건과학연구소 생체역학 및 운동재활실험실) Kang, Jeong-Hyeon (고려대학교 일반대학원 보건과학과) Kim, Hyeong-Dong (고려대학교 보건과학과 보건환경융합과학부)
Journal
대한물리의학회 대한물리의학회지 대한물리의학회지 제11권 제2호 KCI Accredited Journals
Published
2016.1
Pages
53 - 62 (10page)

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Influence of the Supplementary Ki-hap Technique and Verbal Encouragement on Abdominal Muscle Activation during Crunch Exercise in Healthy Subjects: A Pilot Randomized Controlled Trial
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PURPOSE: The purpose of this study was to investigate the effects of a supplementary Ki-hap technique and verbal encouragement on the activation of abdominal muscles during performance of crunch exercise in healthy subjects. METHODS: 93 subjects were randomly allocated to three group, crunch exercise group (CG), crunch exercise with Ki-hap group (CKG), and crunch exercise with Ki-hap and verbal encouragement group (CKVG), with 31 subjects in each group, respectively. The interventions were conducted over three trials in each group, and measurements were performed on each subject by one examiner in three trials. The activation of rectus abdominis (RA), external oblique (EO), and internal oblique (IO) muscles were evaluated using electromyography (EMG) during performance of crunch exercise with non-Ki-hap, Ki-hap and Ki-hap combined with verbal encouragement. RESULTS: Our results showed a significantly greater increase in the EMG patterns of all muscles during performance of crunch exercise in the CKG (p<0.05) compared to the CG and CKVG. The results also showed that there were significantly greater increase in the activation of EO and IO muscles in those of the CKVG (p<0.05) compared with the CG. CONCLUSION: These findings demonstrated that addition of the Ki-hap technique and verbal encouragement during performance of crunch exercise, at the same time, would suggest positive evidence for improving activation of abdominal muscles.
#Abdominal muscle #Crunch exercise #Electromyography #Ki-hap #Verbal encouragement

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References (28)

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Andreacci JL. / 2002 / The effects of frequency of encouragement on performance during maximal exercise testing / J Sports Sci 20(4):345~352 google schola 방현수 / 2015 / 요부안정화 운동이 만성요통여성 환자의 근활성도와 등속성 근력에 미치는 영향 / 대한물리의학회지 10(2):63~71 dbpia Boyd LA / 2003 / Impact of explicit information on implicit motor-sequence learning following middle cerebral artery stroke / Phys Ther 83(11):976~989 google schola Brody EB / 2000 / The effect of a psyching strategy on neuromuscular activation and force production in strength-trained men / Res Q Exerc Sport 71(2):162~170 google schola Chi zhang / 2007 / Analysis andClassification of speech Mode: Whisperd Through Shouted / 8th Annual Conference of the International Speech Communication Association, Interspeech 4(4):2396~2399 google schola

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