ORIGINAL PAPER
Effectiveness of a 6-week core muscle high-intensity interval training program on core stability and power in swimmers
1
Sports and Exercise Science Program, Faculty of Interdisciplinary Studies, Khon Kaen University, Muang Nong Khai District, Nong Khai, Thailand
2
Sport Science Program, Faculty of Liberal Arts and Science, Roi Et Rajabhat University, Ko Kaeo Subdistrict, Selaphum District, Roi Et, Thailand
3
Sports Science Research and Development Division, Sport Authority of Thailand, Bangkok, Thailand
4
Sport and Health Science Program, Faculty of Science and Liberal Arts, Rajamangala University of Technology Isan, Mueang Nakhon Ratchasima District, Nakhon Ratchasima, Thailand
Submission date: 2024-10-20
Acceptance date: 2024-12-10
Publication date: 2025-03-31
Corresponding author
Charee - Jansupom
Sport and Health Science Program, Faculty of Science and Liberal Arts, Rajamangala University of Technology Isan, 744 Sura Narai Rd., Mueang Nakhon Ratchasima District, Nakhon Ratchasima, 30000, +66 869967341, Thailand
Sport and Health Science Program, Faculty of Science and Liberal Arts, Rajamangala University of Technology Isan, 744 Sura Narai Rd., Mueang Nakhon Ratchasima District, Nakhon Ratchasima, 30000, +66 869967341, Thailand
Hum Mov. 2025;26(1):115-124
KEYWORDS
TOPICS
ABSTRACT
Purpose:
This study aimed to investigate the effectiveness of core muscle high-intensity interval training on core stability and power in swimmers.
Methods:
The subjects in this study were 20 male swimmers. They were randomly assigned to 2 groups by testing and sequencing the swimming speed in a 50-metre swim. The experimental group received core muscle high-intensity interval training (n = 10) in addition to their conventional training program, and the control group received a conventional swimming program (n = 10). In the experimental group, core muscle high-intensity interval training consisted of 6 main exercises that were performed 3 days/week for 6 weeks. Core stability was measured by the plank test, core power was tested by 30 and 60-second sit-ups.
Results:
The results of the study found that core stability from the electromyography (EMG) muscle stability test showed that the muscle activity in the m. rectus abdominis after 4 weeks and 6 weeks, the m. obliquus externus after 4 weeks, and the m. erector spine L3 after 6 weeks were significantly different in the experimental group compared to the control group (p < 0.05). Core power from the 30-second and 60-second sit-up tests in which participants performed sit-ups as quickly as possible showed that after 6 weeks, the experimental and control groups had no difference in core power.
Conclusions:
The results of this study showed that 6 weeks of core muscle high-intensity interval training can improve core muscle stability and power. These results can be used as information to help coaches and athletes improve the efficiency of the muscles that support swimming performance.
This study aimed to investigate the effectiveness of core muscle high-intensity interval training on core stability and power in swimmers.
Methods:
The subjects in this study were 20 male swimmers. They were randomly assigned to 2 groups by testing and sequencing the swimming speed in a 50-metre swim. The experimental group received core muscle high-intensity interval training (n = 10) in addition to their conventional training program, and the control group received a conventional swimming program (n = 10). In the experimental group, core muscle high-intensity interval training consisted of 6 main exercises that were performed 3 days/week for 6 weeks. Core stability was measured by the plank test, core power was tested by 30 and 60-second sit-ups.
Results:
The results of the study found that core stability from the electromyography (EMG) muscle stability test showed that the muscle activity in the m. rectus abdominis after 4 weeks and 6 weeks, the m. obliquus externus after 4 weeks, and the m. erector spine L3 after 6 weeks were significantly different in the experimental group compared to the control group (p < 0.05). Core power from the 30-second and 60-second sit-up tests in which participants performed sit-ups as quickly as possible showed that after 6 weeks, the experimental and control groups had no difference in core power.
Conclusions:
The results of this study showed that 6 weeks of core muscle high-intensity interval training can improve core muscle stability and power. These results can be used as information to help coaches and athletes improve the efficiency of the muscles that support swimming performance.
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