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Cahniyo Wijaya Kuswanto
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Journal of Coaching and Sports Science
Published by Foundation of Advanced Education
ISSN : 29631459     EISSN : 29631483     DOI : 10.58524/jcss.v1i2.
Core Subject : Education, Social,
Education Social Sciences
Journal of Coaching and Sports Science is an academic journal that aims to provide education about coaching and sports science. In this journal, theory and practice in coaching will be integrated with sports science as a critical reflection of coaching practice, as well as improving sports academics and coaches to help athletes acquire skills through sports science. The vision of this journal uncovers, understands, and develops the processes involved in sports coaching and the development of sports science.
Arjuna Subject : Umum - Umum
Articles 5 Documents
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Search results for , issue "Vol 2, No 2 (2023): Journal of Coaching and Sports Science" : 5 Documents clear
An Examination of WHOOP Fitness Band Usage in College Athletics Romano, Victor; Etim-Andy, Miracle
Journal of Coaching and Sports Science Vol 2, No 2 (2023): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v2i2.220

Abstract

Wearable technology is novice and beneficial in its ability to retrieve real-time data with minimal hindrance to the performance and mobility of its users. WHOOP fitness band captures physiological metrics and turns them into three metrics: Strain, sleep, and recovery. These metrics allow for personalized monitoring of training metrics to help guide workload. WHOOP bands were distributed to 56 Division II collegiate athletes participating in three sports: Softball (15), women's Lacrosse (15), and Baseball (25). Women's Lacrosse indicated a negative correlation between the hours of sleep players received the day before a game and their respiratory rate during their game (r = -0.55) and a positive correlation between the hours of exercise the day before a game and the respiratory between hours of sleep the day before and respiratory rate the day of the game (r = -0.46) and a moderate negative correlation between hours of exercise the day before a game and the respiratory rate the day of the game (r = -0.55). Baseball indicated a negative correlation between sleep quality the night before the game and duration of exercise the day of the game (r = -0.61). Our examination of performance metrics for three Division II athletic teams using WHOOP fitness straps found that variables differed between teams. Coaches can use WHOOP fitness bands to assist in training and recovering by monitoring pre-game training load, intensity, and sleep.
Special Exercises to Develop Speed Endurance, Passing and Shooting Skills for Young Handball Players Abdul Hussein, Ali Radhi; Hrebid, Nabeel Kadhim
Journal of Coaching and Sports Science Vol 2, No 2 (2023): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v2i2.237

Abstract

The importance of the research was represented in the preparation of special exercises to develop speed endurance for young handball players, as well as identifying the effect of special exercises in developing speed endurance, passing and shooting performance for handball players. As for the research problem, it was represented in the low level of physical attributes and skillful performance (passing and shooting) from time to time during matches or in their last minutes or in their extra times, if any. As the player becomes in a difficult situation and requires him to perform a high physical and skillful work in front of a low level of speed tolerance, which negatively affects the implementation of his duties at the required speed, especially the attack, which leads to not achieving good results in the match. Accordingly, the researchers set their goals in preparing special exercises to develop speed endurance for young players in handball to develop speed endurance among players. Where the researchers hypothesized that there is a positive effect of special exercises in developing speed endurance, passing and shooting performance for handball players. The researchers concluded that the special exercises were effective in developing speed endurance among the respondents. Which prompted them to recommend the necessity of benefiting from the special exercises in developing the speed endurance characteristic of the junior handball club players, as it is one of the basic physical characteristics in developing offensive skills in handball
Assessing the Amount of Data per Second to Measure Tactical Variables in Team Sports Rico-González, Markel; Los Arcos, Asier; Rojas-Valverde, Daniel; Gómez-Carmona, Carlos D.; Pino-Ortega, José
Journal of Coaching and Sports Science Vol 2, No 2 (2023): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v2i2.240

Abstract

Sampling frequency of microsensors that measure the position of the players in team sports is a variable that could affect the accuracy of the measurement. The aim of the present study was to assess the impact of the sampling frequency on the measurement of a collective tactical behaviour variable: the total area (TA). Sixteen young U16 male soccer players participated in the study. They carried out three controlled tasks. Tactical variable was measured by a radio ultra-wide band technology (IMU; WIMU PROTM, RealTrack Systems, Almeria, Spain). For TA different sampling frequencies were applied (i.e. 1 Hz, 2 Hz, 4 Hz and 10 Hz). Trivial differences (p more than 0.05) were found between the TA values across the different amounts of inserted data per second across Task 1 (ES= 0.04-0.08), Task 2 (ES= 0.01-0.09) and Task 3 (ES= -0.03-0.04). Also High to perfect ICCs (0.91-1) and linear correlations (r= 0.961-1; p less than 0.01) were found among the TA values obtained through all sampling frequencies. The sampling frequency (i.e. 1 Hz, 2 Hz, 4 Hz and 10 Hz) does not affect the measurement of total area during tactical behaviour analysis but does significantly affect the change in centroid position measurement. Thus, it is recommended the use of 1 Hz to measure TA, but further studies should analyse the impact of lower than 1 Hz and greater than 10 Hz sampling frequencies to measure this collective tactical behavior.
Adopting a Constraints-Led Approach to Enhance Skill Acquisition for Fast Bowlers in Grassroots Cricket Jamil, Mikael; Woolston, Lewis; Manthorpe, Simon; Mehta, Saumya; Memmert, Daniel; McRobert, Allistair
Journal of Coaching and Sports Science Vol 2, No 2 (2023): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jcss.v2i2.256

Abstract

In this quantitative study, a bespoke coaching drill was designed and tested over 16 weeks to improve the bowling accuracy of 6 participant seam bowlers. This experiment consisted of 6 male participants with a mean age of 19.5 ± 7.5, mean height (cm) of 184.75 ± 5.57, and mean weight (kg) of 78.05 ± 9.87. Due to the repeated measures experimental design, paired samples t-tests were conducted to assess the effectiveness of this coaching intervention and compare performances between the "control" phase and the "training" phase. Results revealed that this purposely designed coaching drill led to a significant improvement in bowling lines (p less than 0.001) with a moderate effect size and bowling lengths (p less than 0.001) with a large effect size. However, this coaching intervention did not have any significant effect on bowling discipline (p = 0.134). Evidence proves that regular repetition of exercises over a prolonged time can ultimately enhance motor skill refinement. From a practical perspective, coaches can replicate the drill introduced in this study as a means of skill acquisition and skill refinement for their seam bowlers.
The Impact of Hand Grip and Sit-and-Reach Exercises in Children Aged 6 to 7 Years Ming, Jiang Wen; Alhussin Alali, Ahmad; Abd Malek, Nor Fazila; Madarsa, Nor Ikhmar; Baki, Mohd Hafizuddin; Mohamad, Nur Ikhwan
Journal of Coaching and Sports Science Vol 2, No 2 (2023): Journal of Coaching and Sports Science
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/002023227200

Abstract

It has been suggested that grip strength can predict physical fitness in children and adults. The overall plan of this study is to validate this conclusion. The study analyzed the correlation between hand grip strength and sit-and-reach in 70 children aged 6-7 years to gain insight into the correlation between grip strength and sit-and-reach. Descriptive statistics were used in the study to find out the mean scores and differences in these exercises. The correlation between hand grip strength and sit-and-reach flexibility was also explored using Pearson's correlation coefficient. The results showed the correlation coefficient between hand grip strength (mean±sd=5.46±3.75) and sit-and-reach flexibility (mean±sd=8.25±5.28) was 0.078, indicating a weak positive correlation (p more than 0.05). The study's results suggest that grip strength is not a valid predictor of physical dexterity in seated forward bends in the 6-7-year-old children age group. As suggested in previous studies, grip strength can predict physical fitness in children, such as a strong correlation between grip strength and physical flexibility, lung function, muscular endurance, and physical stability. However, from the results, grip strength is not a reliable predictor of physical flexibility. We need to validate further the predictive role of grip strength for other physical fitness indicators. This is a very important validation for us to develop children's physical fitness assessment programs more efficiently in the future.

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