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Two considerations were made in designing the core training program: A building stable core muscles and improving core endurance, and B establishing core muscle motor control to provide a sufficient base for force generation and transfer. To monitor the training status of the 2 groups throughout the 8-week period, all participants were required to complete a training log to record their daily training hours and activities. The occurrence of core muscle fatigue during high-intensity running exercise and its limitation to performance: the role of respiratory work. Effects of different core exercises on respiratory parameters and abdominal strength. Core strength refers to the muscular ability to stabilize the spine through contractile forces and intra-abdominal pressure, actively controlling spine stability through coactivation of the trunk muscles [ 5 ]. Participants with matched physical characteristics and training background were randomly assigned to 2 groups: a control group CON and a core training group CT Table 1.

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Isla. Age: 32.
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Conditions 1, 2, and 3 included eyes open, eyes closed, and eyes open in a sway-referenced visual surround, respectively.

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Emerson. Age: 26.
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Procedure The flowchart of the experiment is presented in Fig 1. However, this may not be caused by increased abdominal muscular activities. When the speed was set at

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