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

Kim, Hyung-Kun; Kim, Chang-Yong; Kang, Jeong-Hyeon; Kim, Hyeong-Dong

doi:10.13066/kspm.2016.11.2.53

Cited by 5 publications

(1 citation statement)

References 13 publications

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“…Furthermore, the teacher's VE may have played a role in directing the students' focus and attention during the strength tests. By providing specific cues and feedback, the teacher helped the students optimize their technique, maintain proper form, and generate maximum force during each lift ( 2 , 38 ). The verbal cues and instructions from the teacher may have enhanced movement efficiency, muscle activation, and overall performance in the strength tests ( 2 , 37 ).…”

Section: Discussionmentioning

confidence: 99%

Exploring the impact of verbal encouragement on strength, endurance, and psychophysiological responses: enhancing teaching strategies in sports science education

Romdhani,

Sahli,

Ghouili

et al. 2024

Front. Sports Act. Living

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IntroductionThis study investigates the effects of teacher verbal encouragement (VE) on strength, endurance, and psychophysiological responses, aiming to enhance teaching strategies in sports science education.MethodsForty-eight sports science students, aged 21.3 ± 0.5 years, participated in this study. The sample was randomly divided into two groups, and a counterbalancing procedure was implemented. Participants completed strength and endurance testing sessions under normal conditions in the first week and repeated similar sessions in the second week with teacher VE. Strength was assessed using the 1RM bench press, squat, and deadlift tests, while endurance was evaluated through 8-minute time trials (8MTT: burpees, box jumps, hand-release push-ups, and sit-ups). Perceived exertion and physical activity enjoyment were investigated using self-reporting instruments.ResultsThe key findings showed that participants lifted greater weights in the 1RM bench press (p < 0.01; r = 0.45, medium to large effect), squat (p < 0.001; Hedges' g = 1.36, large effect), and deadlift tests (p < 0.001; r = 0.79, large effect) and completed a greater number of repetitions in the 8MTT (p < 0.001; r = 0.87, large effect) under VE. Perceived exertion was found to be lower under normal conditions (p < 0.05; r = 0.29, small effect), yet physical activity enjoyment significantly increased under VE (p < 0.05; r = 0.81, large effect).DiscussionIn conclusion, implementing teacher VE in sports science education can contribute to improved strength and endurance training outcomes and student psychophysiological response.

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Section: Discussionmentioning

confidence: 99%

Exploring the impact of verbal encouragement on strength, endurance, and psychophysiological responses: enhancing teaching strategies in sports science education

Romdhani,

Sahli,

Ghouili

et al. 2024

Front. Sports Act. Living

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Effects of Heel Contact Methods of Stair Ascent on Abdominal Muscle Activation in Healthy Subjects: A Cross-Sectional Pilot Study

Kang

Kim

et al. 2017

KSPM

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| Abstract |1 )PURPOSE: This study was to determine the changes of abdominal muscles activation according to the heel contact methods of stair ascent in healthy young adults. METHODS:33 healthy young subjects (mean age: 26.37±9.72 years, age range: 20-32 years) volunteered under two conditions. They were performed stair ascent with heel †Corresponding Author : hdkimx1234@daum.net This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. contact and without heel contact. The effects of heel contact methods were assessed using the surface electromyography (sEMG) analysis during stair ascent for activation of abdominal muscles (internal oblique; IO, transverse abdominis; TrA, external oblique; EO rectus abdominis; RA). The interventions were conducted over three trials in each method, and measurements were performed on each subject by one examiner in three trials. RESULTS:Our results revealed that there were significantly greater increase in the EMG activation of IO and TrA muscles in the performance of stair ascent with heel contact (p<.05) compared to those of stair ascent without heel contact. The results also showed that there were greater decrease in the ratio of abdominal muscle activation in those

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Influence of Supplementary Verbal Encouragement According to the Gender on Abdominal Muscle Activation during Crunch Exercise in Healthy Subjects: A Cross-Sectional Pilot Study

김

이

강

et al. 2017

KSPM

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| Abstract |1 )PURPOSE: The purpose of this study was to investigate the effects of supplementary verbal encouragement according to the gender on the activation of abdominal muscles during performance of crunch exercise in healthy subjects. METHODS:A Total of 32 healthy subjects (15 male and 17 female) were randomly allocated to two conditions, crunch †Corresponding Author : hdkimx1234@daum.net This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. exercise with Ki-hap and verbal encouragement with same gender (CKVS) and crunch exercise with Ki-hap and verbal encouragement with different gender (CKVD). The interventions were conducted over three trials in each condition, and measurements were performed on each subject by one examiner in three trials.The activation of rectus abdominis, external oblique, internal oblique, and transverse abdominis muscles were evaluated using electromyography (EMG) during performance of crunch exercise with Ki-hap and verbal encouragement with same gender or different gender, respectively. RESULTS:The results showed that there were no significantly difference in the activation of all abdominal

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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

Cited by 5 publications

References 13 publications

Exploring the impact of verbal encouragement on strength, endurance, and psychophysiological responses: enhancing teaching strategies in sports science education

Exploring the impact of verbal encouragement on strength, endurance, and psychophysiological responses: enhancing teaching strategies in sports science education

Effects of Heel Contact Methods of Stair Ascent on Abdominal Muscle Activation in Healthy Subjects: A Cross-Sectional Pilot Study

Influence of Supplementary Verbal Encouragement According to the Gender on Abdominal Muscle Activation during Crunch Exercise in Healthy Subjects: A Cross-Sectional Pilot Study

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