A new fatigue protocol to assess postural sway in collegiate female athletes

Seidi, Foad; Hamedani, Pegah D.; Rajabi, Reza; Sheikhhoseini, Rahman; Khoshroo, Fatemeh

doi:10.1080/21641846.2019.1699640

Cited by 3 publications

(2 citation statements)

References 36 publications

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“…The subjects will be asked to lie on a bed in a darkened room and do nothing for 24 min after Abt’s trunk muscle fatigue protocol ( Seidi et al, 2019 ).…”

Section: Methodsmentioning

confidence: 99%

Diaphragmatic breathing exercises in recovery from fatigue-induced changes in spinal mobility and postural stability: a study protocol

Amiri

Zemková

2023

Front. Physiol.

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Prolonged periods of sitting at work can increase trunk muscle fatigue from the continuous contraction of deep trunk muscles. Insufficient activity of these muscles can decrease muscular support to the spine and increases stress on its passive structures. This can lead to reduced spinal mobility and impaired postural stability. It may also stimulate nociceptor activity leading to pain. However, frequently used recovery modalities such as muscle strengthening and stretching exercises, can be time-consuming, impractical, and difficult to implement in the workplace. Diaphragmatic breathing exercises, which increase the activity of the deep trunk muscles by raising intra-abdominal pressure, seem to be a suitable alternative. However, little is known as to what extent diaphragmatic breathing exercises contribute to the reduction of fatigue induced by prolonged sitting. This paper presents a study protocol that aims to investigate the acute effect of diaphragmatic breathing exercises on recovery of fatigue-induced changes in spinal mobility and postural stability in sedentary middle-aged adults at risk of developing non-specific low back pain. Twenty sedentary adults aged between 25 and 44 years will perform Abt’s fatigue protocol, followed by 1) active recovery using diaphragmatic breathing exercises and 2) passive recovery in the form of lying on the bed, respectively. There will be 1 week of rest in-between. Pre-fatigue, post-fatigue, and after the active and passive recovery, spinal mobility and postural stability will be evaluated using the spinal mouse device and a posturography system, respectively. The electromyography will be used to determine the muscle-fatigue conditions. We hypothesize that active recovery in a form of diaphragmatic breathing exercises would be more effective in restoring spinal mobility and postural stability followed by the fatigue of back and hamstring muscles compared to passive recovery in sedentary adults. Increasing core and respiratory muscle strength via these exercises could be beneficial for overall mobility and stability of the spine. Reducing compressive stress on the passive structures of the spine may be also beneficial for lowering low back pain. Therefore, we believe that diaphragmatic breathing exercises have the possibility to be incorporated into the workplace and contribute to better back health in sedentary middle-aged adults.Clinical Trial Registration: [https://www.irct.ir/trial/67015], identifier [IRCT20221126056606N1].

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“…The subjects will be asked to lie on a bed in a darkened room and do nothing for 24 min after Abt’s trunk muscle fatigue protocol ( Seidi et al, 2019 ).…”

Section: Methodsmentioning

confidence: 99%

Diaphragmatic breathing exercises in recovery from fatigue-induced changes in spinal mobility and postural stability: a study protocol

Amiri

Zemková

2023

Front. Physiol.

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“…Balance is comprised of static balance, which is the ability to keep the center of mass of a body within the base of support with minimal postural sway, while dynamic balance represents the ability to maintain the body during It is known that balance control depends on several factors, including sensory input obtained from visual, vestibular, and somatosensory systems, type of sports, competition levels, and fatigue. 2,[17][18][19] However, a systematic review and meta-analysis revealed that gender-related differences in balance performance were inconsistent. 20 Noticeably, potential confounders, including core stability, leg strength, and flexibility, which reported the associations to balance, did not consider the aforementioned studies, which may bias study results.…”

Section: Introductionmentioning

confidence: 99%

Balance abilities in high dynamic-sport athletes with different maximal voluntary contraction

Konkeaw,

Pratanaphon

2024

JAMS

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Background: Previous studies have shown that muscle force control during submaximal isometric contractions is associated with the ability of dynamic balance to a greater extent than static balance in healthy adults. However, the effect of maximal voluntary contraction (MVC) on balance abilities of athletes with high dynamicsport, which are most popular in Thailand, needs to be addressed. Objective: To determine static and balance abilities of high dynamic-sport athletes at different levels of MVC. Materials and methods: Three groups of high dynamic-sport athletes at different levels of maximal voluntary contraction (MVC), were voluntarily recruited using a sports matrix classification. Outcome measures comprised the Balance Error Scoring System (BESS) and the Star Excursion Balance Test (SEBT). Correlations between BESS and SEBT and confounding variables comprised of performance time of the Mcgill core endurance tests (Core), single-leg sit-to-stand (STS) test, and flexibility were investigated using Pearson’s correlation. After controlling for Core and STS, a factorial analysis of covariance (ANCOVA) was used to determine group differences in SEBT and BESS variables. Results: Athletes with high- and low- MVC had significantly different reaching distances in all SEBT directions (all, p<0.05). Significant differences between the high- and the moderate- MVC groups were observed in anterior and lateral directions (p<0.05). A significant difference between the moderate- and the low MVC groups was found in the medial direction (p<0.05). After controlling for Core and STS, the observed group differences disappeared, except in the posterolateral reaching distance between the high- and the low-MVC groups (p<0.05). A significant difference between the high- and the low-MVC groups was only observed in the total foam BESS scores with tandem stance (p<0.05) and then disappeared after adjusting for Core and STS (all, p>0.05). Conclusion: The observed differences in all SEBT directions among groups and the difference in the total BESS scores between the high- and the low- MVC, which were observed only in challenged conditions i.e., tandem-foam stance, suggested that dynamic, but not static balance performance of athletes with high dynamicsport appears to be associated with the magnitude of MVC. Core and STS, but not flexibility, are considered significant contributions to their balance performance.

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Evaluation scale and definitions of core and core stability in sports: A systematic review

Enoki,

Hakozaki,

Shimizu

2024

IES

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BACKGROUND: Core stability has been reported to be important for improving performance in athletes. However, the variety of measures used to assess core stability has made it difficult to compare results across studies. In addition, there is a lack of consensus on precise definitions of core and core stability, which is a barrier to research in this field. OBJECTIVE: The overall purpose of this review was to summarize the definitions of core and core stability and measurements of core stability used in previous studies on athletes. METHODS: We searched four electronic databases (PubMed/Medline, SPORTDiscus, Web of Science and Science Direct) from their inception to October 2023. Studies evaluating core stability in athletes across all sports were included. We excluded case studies and case series, opinion pieces, letters to editors and studies not written in the English language. Two researchers independently assessed articles for inclusion and exclusion criteria and methodological quality. RESULTS: One hundred thirty-four studies were included, of which two were of high quality. The definitions of core and core stability varied widely, and ‘core’ was not defined in 108 studies and ‘core stability’ was not defined in 105 studies. The most used test protocol was the McGill test, which was used in 19 studies. CONCLUSIONS: There are multiple tests to measure core stability, and there is some confusion as to whether the measurement results represent core strength or core endurance. Future research papers should clarify the definitions of core and core stability, and consider core strength and core endurance separately.

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A new fatigue protocol to assess postural sway in collegiate female athletes

Cited by 3 publications

References 36 publications

Diaphragmatic breathing exercises in recovery from fatigue-induced changes in spinal mobility and postural stability: a study protocol

Diaphragmatic breathing exercises in recovery from fatigue-induced changes in spinal mobility and postural stability: a study protocol

Balance abilities in high dynamic-sport athletes with different maximal voluntary contraction

Evaluation scale and definitions of core and core stability in sports: A systematic review

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