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The Contribution of Concentration and Self-Confidence to Upper Serve Accuracy in Male Volleyball Players Novilasari, Reni; Budiman, Ali; Sulistiadinata, Heru
Journal of Physical and Outdoor Education Vol. 7 No. 2 (2025): Journal of Physical and Outdoor Education
Publisher : STKIP Paasundan Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37742/jpoe.v7i2.335

Abstract

This study aims to determine the contribution of concentration and self confidence to the accuracy of upper serve among male volleyball players at the Patriot Club in Cimahi. The research used a correlational method with a quantitative approach. The population in this study consisted of all male volleyball players at the Patriot Club Cimahi, totaling 50 athletes, with a sample of 20 players selected using purposive sampling. The instruments used included the Grid Concentration Test to measure concentration, a questionnaire to assess self confidence, and the AAHPER Serving Accuracy Test to evaluate upper serve accuracy. The results of data analysis showed a significant relationship between concentration and upper serve accuracy, as well as a significant relationship between self-confidence and upper serve accuracy. Furthermore, concentration and self-confidence simultaneously contributed to upper serve accuracy in male volleyball players. These findings indicate that psychological aspects such as concentration and self-confidence play an important role in supporting athlete performance, particularly in fundamental skills like upper serve
Identification of Training Models to Improve Lower Limb Muscle Strength during Volleyball Spike Movement Nurul R, Sabila; Budiman, Ali; Sulistiadinata, Heru
Journal of Physical and Outdoor Education Vol. 7 No. 2 (2025): Journal of Physical and Outdoor Education
Publisher : STKIP Paasundan Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37742/jpoe.v7i2.452

Abstract

Volleyball has been known in Indonesia since 1928, introduced by Dutch teachers in secondary schools. It later developed nationally with the establishment of the Indonesian Volleyball Association (PBVSI) on January 22, 1955, in Jakarta. The objective of this study is to identify effective types of training models to strengthen lower limb muscles in order to support optimal performance during spike movements, through an in-depth analysis of relevant and evidence-based literature. This research employs a Systematic Literature Review (SLR) approach. Data were collected from several databases such as Google Scholar, JPJO, Taylor and Francis, and DOAJ, with publication years ranging from 2015 to 2024. After applying inclusion and exclusion criteria, a total of 10 relevant articles were selected and analyzed thoroughly. The results show that **plyometric training models** are highly effective in increasing explosive power and vertical jump height—both of which are key factors in successful spike execution. Exercises such as depth jumps, tuck jumps, and bounding stimulate the neuromuscular system to produce rapid force output.
Effectiveness of Implementing the STAD Type Cooperative Learning Model Through Modifying Net and Field Media on the Volleyball Learning Outcomes Sulistiadinata, Heru
Journal of Physical and Outdoor Education Vol. 7 No. 3 (2025): Journal of Physical and Outdoor Education
Publisher : STKIP Paasundan Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37742/jpoe.v7i3.456

Abstract

This study aims to determine the effectiveness of the implementation of the Student Teams-Achievement Divisions (STAD) cooperative learning model through modifications to the net and field media on the volleyball learning outcomes of junior high school students in Cimahi City. The research method used a quasi-experimental design with a pretest-posttest control group design approach. The study population was 60 students with a sample of 60 people using a total sampling technique, divided into an experimental group (n = 30) and a control group (n = 30). The research instrument used a volleyball skills test covering passing, serving, and playing with high validity and reliability (α = 0.89). The data analysis technique used a paired t-test and an independent t-test with α = 0.05. The results showed a significant increase in the experimental group from an average of 65.23 to 82.67. while the control group from 64.87 to 72.43. The independent t-test showed a significant difference (t=7.896; with a difference of 10.24 points. It can be concluded that the STAD learning model through net and field media modifications is effective in improving volleyball learning outcomes for junior high school students in Cimahi City.