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All Journal Journal Coaching Education Sports Jurnal Pendidikan Jasmani (JPJ)
Dita Yuliastrid
Universitas Negeri Surabaya, Indonesia
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Prevalence and Weight Class Differences in Sleep Quality Among Competitive Jujitsu Athletes in Indonesia Mohammad Krisno Bayu Seto; Dita Yuliastrid
Journal Coaching Education Sports Vol. 7 No. 1 (2026)
Publisher : Program Studi Pendidikan Kepelatihan Olahraga Fakultas Ilmu Pendidikan Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/h4dsqp35

Abstract

Sleep plays a critical role in physiological recovery, cognitive function, and optimal athletic performance. However, limited research has investigated sleep quality among combat sport athletes in Southeast Asia, particularly in weight-class sports such as Jujitsu. This study aimed to examine the prevalence and characteristics of sleep quality among competitive Jujitsu athletes in Surabaya, Indonesia. A descriptive quantitative cross-sectional design was employed involving 56 athletes selected using purposive sampling. Sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI). Descriptive statistics and comparative analysis were used to examine sleep quality patterns across gender and weight categories. The results indicated that 69.6% of athletes experienced poor sleep quality, whereas 30.4% demonstrated good sleep quality. The overall mean PSQI score was 6.8 ± 2.6 (95% CI: 4.5–8.9), exceeding the established cutoff value (>5) and indicating generally poor sleep quality among the participants. Poor sleep quality appeared more prevalent among female athletes and those competing in lighter weight classes. Female athletes demonstrated slightly higher PSQI scores compared with male athletes, although the difference showed a small effect size (Cohen’s d ≈ 0.15) and was not statistically significant (p > .05). These findings highlight the need for structured sleep monitoring and targeted recovery strategies in combat sport training environments. Practical interventions such as sleep hygiene education, optimized training schedules, and monitoring of weight management practices may help improve sleep quality and support athletic performance among Jujitsu athletes.
The Effect Of Sports Massage Treatment On Knee Pain Relief In Sports Activities Aged 40-60 Years Fahreza Dwi Nugroho; Joesoef Roepajadi; Dita Yuliastrid; A Burhanuddin Kusuma Nugraha
Jurnal Pendidikan Jasmani (JPJ) Vol 6 No 3 (2026): Jurnal Pendidikan Jasmani (JPJ)
Publisher : Sekolah Tinggi Olahraga dan Kesehatan Bina Guna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55081/jpj.v6i3.4472

Abstract

Knee pain is a condition in which a person experiences a sensation of pain in the knee area during activities such as walking, engaging in physical activity, or even while at rest. Sports massage is a manual or mechanical manipulation technique using the hands on the soft tissues of the body, aimed at eliminating metabolic waste products in the muscles, such as lactic acid. Massage can improve blood circulation within the muscles, contributing to increased oxygen transport and accelerating the body's metabolic processes. This study uses a pre-experimental method to assess the effectiveness of sports massage treatment in reducing knee pain. The research design employed is a one-group pretest-posttest design. The population in this study consists of males and females aged 40–60 years in Depok City. The sampling technique used is non-probability sampling with purposive sampling. The research instrument used is the Visual Analog Scale (VAS), with a scale range from 0 to 10. Data analysis began with prerequisite testing using the one-sample Kolmogorov-Smirnov test before conducting the paired sample t-test. Based on the Kolmogorov-Smirnov normality test results, the Sig. value for the pretest was 0.200 and for the posttest was 0.090. Since both Sig. values are greater than 0.05, it can be concluded that the pretest and posttest data are normally distributed. Based on the paired sample t-test results, the average difference between the pretest and posttest scores was 3.933, indicating an improvement of 3.933 points. The Sig value (2-tailed) is 0.000, which indicates that the difference between the pretest and posttest is statistically significant. Based on the research results and discussion above, it can be concluded that sports massage is effective in reducing knee pain in physically active individuals aged 40–60 years.
Co-Authors A Burhanuddin Kusuma Nugraha Fahreza Dwi Nugroho Joesoef Roepajadi Mohammad Krisno Bayu Seto