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Analysis of physical and psychological factors in the context of Pencak Silat education for students Muhammad Ridho Pambudi Pambudi; Syahrastani Syahrastani; Alnedral Alnedral; Tjung Hauw Sin
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol. 11 No. 3 (2025): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020256432

Abstract

This aims study investigates the influence of leg muscle power, flexibility, and self-confidence on the crescent kick speed of Pencak Silat athletes at the Laskar Silat Nusantara School in Kampar Regency. Employing a quantitative correlational design, the research involved 30 student-athletes selected through purposive sampling. Data were collected using standardized measurements: vertical jump for leg muscle power, sit-and-reach for flexibility, a psychological scale for self-confidence, and a stopwatch-based crescent kick speed test. Data analysis included descriptive statistics, Pearson product–moment correlation, and multiple regression. The findings show significant positive correlations between crescent kick speed and leg muscle power (r = 0.63), flexibility (r = 0.54), and self-confidence (r = 0.48). Multiple regression analysis further indicates that the three variables collectively contribute significantly to kick speed (p < 0.05), explaining 58% of its variance (R² = 0.58). Leg muscle power was identified as the strongest predictor. These results highlight the importance of integrating physical conditioning and psychological development to enhance technical performance. The study underscores the need for training programs that balance strength, flexibility, and mental readiness in martial arts education.
The effect of hypnotherapy methods on understanding and readiness on swimming learning in higher education Syahrastani, Syahrastani
COUNS-EDU: The International Journal of Counseling and Education Vol. 7 No. 1 (2022)
Publisher : Indonesian Institute for Counseling, Education, and Therapy & Indonesian Counselor Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23916/0020220735210

Abstract

This research was conducted because understanding and readiness for swimming learning are still problematic. Hypnotherapy methods are assumed to be the factors that influence the understanding and readiness of swimming learning of students in higher education. This study aims to determine the effect of using hypnotherapy methods on the understanding and readiness of swimming lessons in higher education. This research uses the quantitative correlation method. The population is 150 students who take swimming lessons in higher education, and a sample of 50 students who were selected using purposive random sampling. The questionnaire is an effective data collection method to test the variables to be measured and the answers expected by the respondents. The questionnaire applies a Likert scale by providing an opportunity to answer each item. Data were analyzed using regression analysis. The results showed that (1) there was an increase in students' understanding of swimming lessons using hypnotherapy methods, (2) there was an increase in student readiness in swimming lessons using hypnotherapy methods.
The Effect of Highland and Lowland Living on Cardiovascular Ability: a Literature Review Poni Purnama; Arsil Arsil; Syahrastani Syahrastani; Bafirman bafirman; Fiky Zarya
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.8118

Abstract

This study aims to review the literature related to the influence of living in highlands and lowlands on cardiovascular ability. Highlands, with an altitude of more than 2,500 meters above sea level, have unique environmental characteristics such as lower oxygen levels, lower air pressure, and cooler temperatures. In contrast, lowlands typically have more stable conditions and higher oxygen levels. These environmental differences are believed to have a significant impact on an individual's cardiovascular ability. In this literature review, we evaluated various studies comparing cardiovascular parameters such as aerobic capacity, VO2 max, resting heart rate, and other physiological adaptations between populations living in highlands and lowlands. The results of various studies show that individuals living at high altitudes tend to have better physiological adaptations in terms of oxygen use efficiency and higher aerobic capacity. This is due to the body's adaptation to chronic hypoxia, which increases red blood cell production and oxygen transport efficiency. However, there are also some higher cardiovascular challenges at high altitudes, such as an increased risk of pulmonary hypertension and heart disease. In contrast, low-lying populations generally show more stable cardiovascular parameters but are less adaptive to hypoxia conditions. In conclusion, living at high altitudes and lowlands exert different influences on cardiovascular ability, with each environment providing its own advantages and challenges. More research is needed to understand deeper adaptation mechanisms and their implications for long-term cardiovascular health