Balasekaran, Govindasamy

Preferred name
Balasekaran, Govindasamy
Email
govindasamy.b@nie.edu.sg
Department
Physical Education & Sports Science (PESS)
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2022 - 20242
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    Effectiveness of modified perceived exertion scale on exercise intensity across age group, gender and exercise modalities
    (Asian Society of Kinesiology, 2024)
    Balasekaran, Govindasamy 
    ;
    Boey, Peggy
    ;
    Ng, Yew Cheo

    This study aims to conduct a systematic and meta-analysis to collate the current findings and assess the effectiveness of perceived exertion scales (original or modified), across various users profile (gender, age, exercise background) and exercise modalities (aerobic vs resistance).

      13
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    A normalized rate of perceived exertion at ventilatory breakpoint for different exercise modalities and production of exercise intensity with self-regulation for Singapore children
    (Edizioni Minerva Medica, 2022)
    Balasekaran, Govindasamy 
    ;
    Thor, Dianna
    ;
    Ng, Yew Cheo
    ;
    Boey, Peggy Peck Kay
    BACKGROUND: The purpose of this study was to identify a normalized RPE response at ventilatory breakpoint (Vpt) for male adolescents 13-17 years old, and whether these adolescents could self-regulate at target RPEs of 4 and 6.
    METHODS: Twenty healthy males participated in the study, with 10 males in each of the cycling and walking/running groups. Participants performed orientation and V̇O2peak trials before performing a perceptual estimation exercise trial to obtain RPE Vpt, and two production trials to assess self-regulation ability.
    RESULTS: Vpt corresponded to 67.7% V̇O2peak for the cycling group and 70.4% V̇O2peak for the walking/running group. There were no group differences on RPE-Overall Vpt (cycling: 4.6; walking/running: 4.4), RPE-Legs Vpt (cycling: 5.4; walking/running: 4.6), and RPE-Chest Vpt (cycling: 4.0; walking/running: 4.8). A normalized RPE-Overall Vpt response was identified at five. V̇O2 did not differ between the estimation and production trials at targets RPE of 4 (1.59 vs. 1.57 L·min-1) and 6 (1.87 vs. 1.79 L·min-1). Similarly, heart rate (HR) did not differ between estimation and production trials at targets RPE 4 (152.4 vs. 151.1 beats·min-1) and 6 (167.1 vs. 162.4 beats·min-1). Both V̇O2 and HR were significantly higher at RPE 6 compared to RPE 4. Responses were not affected by exercise mode or production sequence.
    CONCLUSIONS: This study demonstrated that undifferentiated and differentiated RPE Vpt were similar between cycling and walking/running participants. Male adolescents between 13- and 17-year-olds were able to use the OMNI scale to self-regulate exercise intensities that would be useful in field settings.
      38