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Abdominal Hollowing Versus Abdominal...

Narmore, Summer.

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Abdominal Hollowing Versus Abdominal Bracing in Static Handstand Hold.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Abdominal Hollowing Versus Abdominal Bracing in Static Handstand Hold./
作者:	Narmore, Summer.
其他作者:	Stevenson, Jhmyai
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	65 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-05, Section: B.
Contained By:	Dissertations Abstracts International82-05B.
標題:	Physical therapy. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28028634
ISBN:	9798691216251

Abdominal Hollowing Versus Abdominal Bracing in Static Handstand Hold.
Narmore, Summer.

Abdominal Hollowing Versus Abdominal Bracing in Static Handstand Hold. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 65 p.

Source: Dissertations Abstracts International, Volume: 82-05, Section: B.

Thesis (D.P.T.)--Azusa Pacific University, 2020.

This item must not be sold to any third party vendors.

Background. A handstand is an essential and foundational skill in gymnastics requiring upper extremity strength and postural control in order to sustain a static inverted position (Kochanowicz et al., 2019). During static activities, core stability is fundamental to maintain postural control (Lee et al., 2015). A systematic review of nine articles was completed that showed there was literature to support the impact abdominal hollowing and abdominal bracing may have on stability in an upright position respectively, but no current literature on the impact core activation may have on stability in an inverted position. Purpose. The purpose of this study was to determine what core activation method was most beneficial in improving static handstand stability. Research Design. A quasi-experimental design was utilized. Methods. Six female participants between the ages of 18-22 years old completed three control handstands without any instruction or intervention. The participants then were randomized to the order of abdominal activation strategies to be tested: (a) abdominal bracing (AB) first, then abdominal hollowing (AH), or (b) AH first then AB. Each participant watched pre-selected videos on how to perform the proper abdominal activation intervention, then were given time to practice that pattern in a handstand. Three trials of both AB and AH were recorded for each participant where center of pressure (COP) and duration of handstand were measured. Electromyography (EMG) was used to determine proper recruitment of abdominal muscles during data collection. Results. A one-way repeated measure analysis of variance (ANOVA) was used to analyze all outcome measures. There was no statistically significant differences found with (a) medial-lateral (M-L) sway, (b) anterior-posterior (A-P) sway, or (c) duration of handstand. However, there was a statistically significant difference for mean speed between groups (p = 0.047). Using a Tukey test, there was a significant mean difference between the control group and AH group for mean speed (p = 0.041). Pearson's r showed a strong correlation between mean speed and M-L sway (r = 0.767, p < 0.001), and moderate correlation between mean speed and A-P sway (r = 0.691, p < 0.001). Discussion. This study found significant differences for mean speed between groups as well significant correlations between mean speed and postural sway with the instruction of an AH pattern. In this study the Wii Balance BoardTM was found to not be the optimal instrument to collect data on gymnasts in an inversion, as its intended use was made to collect posturography data in an upright position, and therefore it may not most accurately assess postural sway in a handstand. Further research is recommended to observe the impact AH may have on M-L sway and A-P sway of a static handstand in a gymnast using force plates with a larger sample size to investigate. Conclusion. AH improved mean speed, or reaction time, in the stability of the gymnast's handstand.

ISBN: 9798691216251Subjects--Topical Terms:

588713
Physical therapy.
Subjects--Index Terms:

Abdominal bracing

Abdominal Hollowing Versus Abdominal Bracing in Static Handstand Hold.
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