Abdominal muscle activity during abdominal hollowing in four starting positions

Chanthapetch, Pakkanaporn; Kanlayanaphotporn, Rotsalai; Gaogasigam, Chitanongk; Chiradejnant, Adit

doi:10.1016/j.math.2008.12.009

Cited by 52 publications

(67 citation statements)

References 20 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The findings that the activity of the TrA/IO was higher in prone lying than in crook lying with knee flexion of 90°, were consistent with the results of Chanthapetch et al 18) . However, Urquhart et al 26) reported a contrary result, indicating that higher contraction of TrA was shown in crook lying with knee flexion of 90° than in prone lying.…”

Section: Discussionsupporting

confidence: 92%

“…We consider the reason for this is that both EO and TrA/IO are attached to the costal cartilage, thoracolumbar fascia, iliac crest and pubis and thus share the same attachment sites of bony fibers 30) , meaning that they unavoidably work together. Accordingly, we consider our present results support those of studies indicating that eliminating the activity of EO while AH is being performed, is more difficult than eliminating the activity of the other abdominal muscles 18,19,22) . In a preceding study only 25%, or less, of participants could induce contraction of the TrA without contraction of EO 18) , and in this study, out of the 36 subjects, only 8, or approximately 22%, were able to contract the TrA/IO with the activities of RA and EO minimized to less than 5%.…”

Section: Discussionsupporting

confidence: 89%

“…Accordingly, we consider our present results support those of studies indicating that eliminating the activity of EO while AH is being performed, is more difficult than eliminating the activity of the other abdominal muscles 18,19,22) . In a preceding study only 25%, or less, of participants could induce contraction of the TrA without contraction of EO 18) , and in this study, out of the 36 subjects, only 8, or approximately 22%, were able to contract the TrA/IO with the activities of RA and EO minimized to less than 5%. This supports suggestions 18,22,26) that for AH to manage back pain, independent training of the TrA contraction, while the activity of other abdominal muscles is minimized, is important.…”

Section: Discussionsupporting

confidence: 89%

“…This could be the cause of the contradictory results, because their arrangement would reduce the support plane provided, such that muscles would not be adequately relaxed, and accordingly higher levels of activity would not have been induced. Chanthapetch et al reported that in crook lying with knee flexion of 90°, and in prone lying, there was sufficient support for posture muscles to be relaxed, thus permitting higher activity of TrA/IO resulting in higher levels of TrA/IO contraction in these positions 18) . However, in the present study, a contrary result was shown because the second highest contraction of TrA/IO was shown in wall support standing.…”

Section: Discussionmentioning

confidence: 99%

“…However, studies that have compared and analyzed the activation of TrA, while the patient performed AH in each of these positions, are inadequate. There have been only two studies that have compared the activation of the TrA in the four different positions, while performing AH 18,19) . Therefore, this study analyzed which of the four different positions most effectively induces the activation of the TrA, when a subject performs AH.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Activation of Abdominal Muscles during Abdominal Hollowing in Four Different Positions

Park

Lee

2010

J Phys Ther Sci

View full text Add to dashboard Cite

Abstract. [Purpose] This study examined the activities of the rectus abdominis (RA), external abdominal oblique (EO), transversus abdominis and internal abdominal oblique (TrA/IO) while abdominal hollowing (AH) was performed in four different positions (crook lying, prone lying, four-point kneeling, wall support standing).[Subjects] Experiments were conducted on 36 healthy male adults (mean age=24.44 years) who voluntarily agreed to participate in the experiments.[Methods] Each subject was instructed regarding maximal voluntary contractions (MVC) and AH. While the MVC and AH of individual muscles were being performed, the activity of the muscles was measured using surface electromyography (EMG). The activity of the muscles while performing AH was normalized to percentages of MVC.[Results] TrA/IO showed significant differences among the positions and showed the highest muscle activity for prone lying.[Conclusion] The contraction of the TrA/IO was shown to be the highest muscle activity in prone lying. Therefore, we consider that various kinds of technique can eliminate EO activity during performing AH in prone lying.

show abstract

Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Activation of Abdominal Muscles during Abdominal Hollowing in Four Different Positions

Park

Lee

2010

J Phys Ther Sci

View full text Add to dashboard Cite

show abstract

Core Stability in Athletes: A Critical Analysis of Current Guidelines

et al. 2016

View full text Add to dashboard Cite

Over the last two decades, exercise of the core muscles has gained major interest in professional sports. Research has focused on injury prevention and increasing athletic performance. We analyzed the guidelines for so-called functional strength training for back pain prevention and found that programs were similar to those for back pain rehabilitation; even the arguments were identical. Surprisingly, most exercise specifications have neither been tested for their effectiveness nor compared with the load specifications normally used for strength training. Analysis of the scientific literature on core stability exercises shows that adaptations in the central nervous system (voluntary activation of trunk muscles) have been used to justify exercise guidelines. Adaptations of morphological structures, important for the stability of the trunk and therefore the athlete's health, have not been adequately addressed in experimental studies or in reviews. In this article, we explain why the guidelines created for back pain rehabilitation are insufficient for strength training in professional athletes. We critically analyze common concepts such as 'selective activation' and training on unstable surfaces.

show abstract

Abdominal girth as an index of muscle tension during abdominal hollowing: Selecting the optimal training intensity for the transversus abdominis muscle

Shimizu

Tateuchi

Motomura

et al. 2019

Journal of Biomechanics

View full text Add to dashboard Cite

The abdominal hollowing technique is used for training the transversus abdominis (TrA).However, the optimal intensity of hollowing is still unclear. The objective of the present study is to verify the validity of estimating the tension of the TrA by measuring the girth of the abdomen with a tape and to determine the optimum intensity of hollowing to effectively train the TrA. Sixteen healthy males performed hollowing with an intensity of 0%, 25%, 50%, 75%, and 100%, estimated from the girth of the abdomen. The shear elastic modulus was measured for the rectus abdominis (RA), external oblique (EO),

show abstract

Abdominal muscle activity during abdominal hollowing in four starting positions

Cited by 52 publications

References 20 publications

Activation of Abdominal Muscles during Abdominal Hollowing in Four Different Positions

Activation of Abdominal Muscles during Abdominal Hollowing in Four Different Positions

Core Stability in Athletes: A Critical Analysis of Current Guidelines

Abdominal girth as an index of muscle tension during abdominal hollowing: Selecting the optimal training intensity for the transversus abdominis muscle

Contact Info

Product

Resources

About