The aim of this study was to evaluate the effects of integrative neuromuscular training (INT) during physical education (PE) class on selected measures of health-and skill-related fitness in children. Forty children from two 2nd grade PE classes were cluster randomized into either an INT group (n = 21) or a control (CON) group (n = 19). INT was performed 2×/wk during the first ∼15 min of each PE class and consisted of body weight exercises. INT and CON participants were assessed for health-and skill-related fitness before and after 8 wks of PE with or without INT, respectively. A significant interaction of group by time was observed in INT participants with improvements noted in push-ups, curl-ups, long jump, single leg hop, and 0.5 mile (0.8 km) run performance (p < .05). These data indicate that INT is an effective and time-efficient addition to PE as evidenced by improvements in health-and skill-related fitness measures in children.
These data indicate that INT is an effective and time-efficient addition to PE for enhancing motor skills and promoting physical activity in children. Seven-year-old girls appeared to be more sensitive to the effects of INT than 7-year-old boys. Future research is warranted to confirm these effects in larger cohorts of children.
The purpose of this study was to examine the effects of detraining on fitness performance in 7-year-old children after 8 weeks of muscular fitness training, which took place during the first 15 minutes of regularly scheduled physical education (PE) class. Children from 2 PE classes were cluster randomized into either an exercise group (n = 20) or a standard PE control group (n = 19). Performance on the long jump, single-leg hop, curl-up, and balance test was assessed at baseline, after training, and after an 8-week detraining period. A significant interaction of group by time after training was observed in the exercise group with improvements noted in abdominal curl-up and single-leg hop performance (p < 0.05). After detraining, the exercise group maintained training-induced gains on the curl-up (group mean [95% confidence interval] posttraining of 27.9 [21.2-34.5] to detraining 27.3 [21.1-33.6] repetitions; p < 0.05) and single-leg hop (posttraining 79.8 [73.2-86.4] to detraining 79.7 [73.0-86.5] cm; p < 0.05). Conversely, long jump (posttraining 113.8 [108.2-119.5] to detraining 110 [102.6-117.5] cm; p < 0.05) regressed toward baseline values in both groups. After detraining, balance performance (1.5 [1.3-1.7] seconds) regressed relative to baseline (2.0 [1.7-2.4] seconds) and posttraining (2.0 [1.8-2.4] seconds; p < 0.05). These findings indicate that the phenomenon of detraining in children is complex and characterized by different adaptations and regressions in strength, power, and balance. Regular participation in fitness activities during PE may be needed to enhance and maintain performance in all measures of muscular fitness in 7-year-old children.
Physical education (PE) programs are evolving from a traditional skill-centered model to a health-centered model that focuses on time engaged in moderate to vigorous physical activity (MVPA). However, improvements in muscular fitness and fundamental movement skills are prerequisites for continuous participation in MVPA. The purpose of this study was to examine the effects of integrative strength and skill-based training on measures of physical fitness in children during primary school PE. Children from two fourth grade PE classes were cluster randomized into either a fundamental integrative training (FIT) group (n = 20) or a control (CON) group (n = 21). The 8-week FIT program was performed twice per week during the first ∼ 1 5 minutes of each PE class and consisted of a circuit of strength and skill-based exercises. All participants were assessed for health- and skill-related fitness before and after the intervention. The outcome variables were analyzed via 2 × 2 repeated measures analysis of variance with post hoc analysis. A significant (p ≤ 0.05) interaction of group by time was observed in FIT participants with improvements in aerobic capacity, push-ups, sit and reach flexibility, and single-leg hop. There were no groups by time effects for the sit-up and long jump tests. No injuries were reported. These findings highlight the potential benefits of integrating both health- and skill-related fitness components into primary school PE as evidenced by improvements in measures of aerobic capacity and muscular fitness in children.
Faigenbaum, AD, Kang, J, Ratamess, NA, Farrell, A, Golda, S, Stranieri, A, Coe, J, and Bush, JA. Acute cardiometabolic responses to a novel training rope protocol in children. J Strength Cond Res 32(5): 1197-1206, 2018-The purpose of this study was to quantify the acute cardiometabolic responses to a novel training rope (TR) protocol in children. Fifteen boys (10.6 ± 1.4 years) were tested for peak oxygen uptake (V[Combining Dot Above]O2) on a treadmill and subsequently (2-7 days later) performed a progressive 10-minute protocol of 5 TR exercises (EX): EX1: standing side-to-side waves, EX2: seated alternating waves, EX3: standing alternating waves, EX4: jumping jacks, and EX5: double-arm slams. Participants performed 2 sets of each TR exercise for 30 seconds per set with a 30-second rest interval between sets and exercises. A 12.8-m TR (4.1 kg) was used for all trials, and a metronome was used to standardize cadence. Peak values for V[Combining Dot Above]O2 and HR during the treadmill test were 47.4 ± 8.8 ml·kg·min and 195.1 ± 6.6 b·min, respectively. During the TR protocol, mean V[Combining Dot Above]O2 and HR significantly increased (p ≤ 0.05) from set 1 of EX1 (10.3 ± 2.6 ml·kg·min and 103.2 ± 11.6 b·min, respectively) to set 2 of EX5 (30.0 ± 3.9 ml·kg·min and 168.6 ± 11.8 b·min, respectively). Percentage of peak V[Combining Dot Above]O2 and peak HR values attained during the TR protocol ranged from 21.5 to 64.8% and from 52.9 to 86.4%, respectively. These descriptive data indicate that TR exercise can pose a moderate to vigorous cardiometabolic stimulus in children and with proper supervision and instruction may serve as a worthwhile complement to youth fitness programs.
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