Does incorporating high intensity interval training in physical education classes improve fitness outcomes of students? A cluster randomized controlled trial

Jurić, Petra; Dudley, Dean; Petocz, Peter

doi:10.1016/j.pmedr.2023.102127

Cited by 7 publications

(6 citation statements)

References 60 publications

(52 reference statements)

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“…First, each outcome showed large variability; second, the variability between the outcomes was different. Similarly, Juric et al [42] observed a high variability in CRF after an HIIT intervention. Their protocol was very similar, using a cluster randomized control trial design, but it had more participants (n = 207) and assessed a wider range of outcomes.…”

Section: Discussionmentioning

confidence: 82%

Minimal Detectable Change in Resting Blood Pressure and Cardiorespiratory Fitness: A Secondary Analysis of a Study on School-Based High-Intensity Interval Training Intervention

Domaradzki

2023

JCM

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High-intensity interval training (HIIT) effects on resting blood pressure (BP) and cardiorespiratory fitness (CRF) have already been studied. Furthermore, the responses of responders and non-responders to HIIT in terms of these physiological outcomes have also been examined. However, the minimal detectable change (MDC) in BP and CRF has not been addressed yet. Therefore, the current study aimed to compare the MDC90 of BP (systolic and diastolic) and CRF (fitness index (FI) results) in the context of a school-based HIIT program for adolescents. Participants were adolescents, with an average age of 16.16 years (n = 141; 36.6% males). A preplanned secondary analysis was conducted using pre–post data from the control group to estimate MDC90. The MDC90 of SBP, DBP, and FI were 7.82 mm HG, 12.45 mm HG, and 5.39 points, respectively. However, taking into account the relative values of these changes, MDC90 required a greater change in DBP (17.27%) than FI (12.15%) and SBP (6.68%). Any training-induced physiological changes in the average values of the outcomes did not exceed MDC90. However, a comparison of the participants who exceeded and did not exceed MDC90 showed statistically significant differences. These findings reveal the huge variability in and insensitivity to the intervention effect for all measurements. This is likely because of the large subgroup of participants with low sensitivity to the physiological stimulus. As such, there is a considerable need to create individually tailored intervention programs.

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Section: Discussionmentioning

confidence: 82%

Minimal Detectable Change in Resting Blood Pressure and Cardiorespiratory Fitness: A Secondary Analysis of a Study on School-Based High-Intensity Interval Training Intervention

Domaradzki

2023

JCM

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“…The most recent study, conducted by Juric et al investigated the effects of a HIIT intervention lasting 12 weeks on balance, coordination, speed, flexibility, strength, and agility in 10- to 15-year-old students, and showed no significant effects. This may be because short-term HIIT interventions of only two 10-min sessions per week do not provide sufficient stimulation for fitness (muscular strength, muscular endurance, power, speed, flexibility, and balance) enhancement 50 .…”

Section: Resultsmentioning

confidence: 99%

Effects of different types of exercise intensity on improving health-related physical fitness in children and adolescents: a systematic review

Zhou,

Li,

Jiang

2024

Sci Rep

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A substantial body of empirical evidence reveals that physical activity is associated with a wide range of positive physical and mental health outcomes. However, an absence of comprehensive syntheses is observed concerning the varying effects of different exercise intensities on the improvement of physical health among children and adolescents. The aim of this review is to systematically investigate the effects of different exercise intensities on the physical fitness of children and adolescents, to analyses the optimal exercise intensities for improving physical fitness, and to provide a relevant theoretical basis for optimizing school physical education curricula. A systematic search strategy was used in this study in four online databases (PubMed, Scopus, EBSCO and Web of Science). Intervention studies that met the inclusion criteria underwent a thorough screening process, and their methodological quality was assessed utilizing the PEDro scale. The selected literature was systematically analyzed and evaluated through induction, summary, analysis, and evaluation. These findings indicate that high-intensity exercise training exerts significant positive effects on body composition, cardiopulmonary function and muscle fitness in children and adolescents. Therefore, we suggest that schools should focus on high-intensity sports in their physical education curriculum, which can further improve the student's PHYSICAL FITNESS.

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“…Therefore, the question arises of how to produce beneficial gains in NRs, particularly since the observations showed inconsistent results. Juric et al 57 found high variability in body tissue despite a significant impact on CRF after HIIT intervention. Nonetheless, the lack of consistency in observations should be explained by inter-individual analyses.…”

Section: Discussionmentioning

confidence: 99%

Cardiovascular and cardiorespiratory effects of high-intensity interval training in body fat responders and non-responders

Domaradzki,

Koźlenia

2024

Sci Rep

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This study aimed to investigate cardiovascular and cardiorespiratory adaptations to exercise intervention among participants who showed higher (responders–RsBFP) and lower (non-responders–NRsBFP) levels of body fat percentage (BFP) responsiveness. Adolescents (42.5% males) participated in a ten-week school-based high-intensity interval training (HIIT), followed by a comparison of BFP, blood pressure (BP), and cardiorespiratory fitness (CRF). RsBFP age of 16.15 ± 0.36 years, body height 170.82 ± 8.16 cm, weight 61.23 ± 12.80 kg, and BMI 20.86 ± 3.29 kg/m2. Meanwhile, NRsBFP age of 16.04 ± 0.36 years, body height 168.17 ± 8.64 cm, weight 57.94 ± 8.62 kg, and BMI 20.47 ± 2.24 kg/m2. HIIT intervention impacted BFP, with a higher decrease in the RsBFP than the NRsBFP (ΔBFPRs = − 2.30 ± 3.51(10.34%) vs. ΔBFPNRs = 1.51 ± 1.54(6.96%) p < 0.001). The primary comparison showed a statistically significant interaction effect in relation to CRF (F(1,71) = 14.12; p < 0.001). Detailed comparisons showed large and significant CRF changes in RsBFP (7.52%; d = 0.86; p < 0.001) but not in NRsBFP (2.01%; d = 0.11; p = 0.576). In addition, RsBFP and NRsBFP benefited equally in SBP (5.49%, d = 0.75; p < 0.001; 4.95%, d = 0.74; p < 0.001, respectively). These findings highlight that exercise benefits on body fat may be mainly related to gains in CRF. Due to substantial intra-individual variability in adaptation, there is a need for personalized intervention tailored for those with different reaction thresholds in body mass components.

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Does incorporating high intensity interval training in physical education classes improve fitness outcomes of students? A cluster randomized controlled trial

Cited by 7 publications

References 60 publications

Minimal Detectable Change in Resting Blood Pressure and Cardiorespiratory Fitness: A Secondary Analysis of a Study on School-Based High-Intensity Interval Training Intervention

Minimal Detectable Change in Resting Blood Pressure and Cardiorespiratory Fitness: A Secondary Analysis of a Study on School-Based High-Intensity Interval Training Intervention

Effects of different types of exercise intensity on improving health-related physical fitness in children and adolescents: a systematic review

Cardiovascular and cardiorespiratory effects of high-intensity interval training in body fat responders and non-responders

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