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Effects of Angle of Foot-Bar and Knee Posture on Core Muscle Activity during Pilates Reformer High-Plank

  • Kihong Kim (Department of Sports and Health Care, Dankook University) ;
  • Hanna Choi (Department of Sports and Health Care, Dankook University) ;
  • Hwanjong Jeong (Department of Sports and Health Care, Dankook University)
  • Received : 2023.12.26
  • Accepted : 2024.01.27
  • Published : 2024.02.29
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Abstract

The purpose of this study was to investigate the muscle activity of internal oblique, rectus femoris, and multifidus according to knee posture and foot bar angle during pilates reformer high flank exercise. Twelve women in their 20s were recruited within six months of their experience as pilates instructors. The subjects performed six types of high flanks according to knee posture and foot bar angle. EMG signals of internal oblique, rectus femoris, and multifidus during exercise were measured and analyzed by integral EMG. The collected data were processed by repeated measures two-way ANOVA. In this paper it shows the following results. First, internal oblique iEMG was not significantly different according to knee posture and foot bar angle. Second, the rectus femoris had an interaction effect according to knee posture and foot bar angle. Third, there was no significant difference in multifidus according to knee posture and foot bar angle. In conclusion, according to the exercise method, the activity of the rectus femoris was the highest in the knee bending and high foot-bar angle high plank exercise, and there was no difference between the internal oblique and multifidus.

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