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All Journal JEES: Journal of English Educational Study JUMORA: Jurnal Moderasi Olahraga
Choirunnisa, Jihan
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Analysis of 1000-meter run in Sportyjoy Club athletes in Cimahi City: A biomechanical sports perspective Erlangga, Yana; Gumilar, Agus; Salman, Salman; Choirunnisa, Jihan
JUMORA: Jurnal Moderasi Olahraga Vol 4 No 2 (2024): JUMORA: Jurnal Moderasi Olahraga
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/mor.v4i2.1423

Abstract

The importance of understanding biomechanics in sports, particularly in running activities, significantly contributes to improving athletes' techniques and performance. This study aims to analyze the 1000-meter running motion of athletes from the Sportyjoy Club in Cimahi City through a sports biomechanics review. The study employs a descriptive analytical method with a one-shot case study design. Kinematic data were obtained from video recordings analyzed using Kinovea software (version 2023.2.1). The study sample comprised 10 middle-distance athletes aged 11–14 years selected through purposive sampling. The results showed that the athletes' average running speed was 3.88 ± 0.68 m/s, with a maximum speed of 5.00 m/s and a minimum speed of 2.87 m/s. The average stance phase duration was 0.21 ± 0.05 seconds, while the swing phase lasted an average of 0.32 ± 0.09 seconds. Biomechanical parameters such as arm flexion angle (57.25 ± 9.69⁰) and knee height (0.45 ± 0.06 m) were also analyzed to evaluate running efficiency. Based on physical fitness assessments, 2 athletes were categorized as very good, 4 as good, 1 as fairly good, and 3 as poor. This study demonstrates that running efficiency is influenced by the stance and swing phases, arm flexion angles, and knee height. Therefore, coaches and athletes can use these findings to improve running techniques, enhance performance, and reduce injury risk through a biomechanical approach
EXPLORING PEER COOPERATIVE LEARNING THROUGH INDEX CARD MATCH IN ENGLISH LANGUAGE CLASSROOM: A CASE STUDY AT AN ELEMENTARY SCHOOL IN BANDUNG Choirunnisa, Jihan; Rodliyah, Rojab Siti
Journal of English Educational Study (JEES) Vol 8, No 2 (2025): November Edition
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jees.v8i2.5106

Abstract

This qualitative case study explores how cooperative learning unfolded during the implementation of Index Card Match (ICM) in a sixth-grade English as a Foreign Language (EFL) classroom in Bandung, Indonesia. Grounded in Johnson and Johnson’s cooperative learning theory, Vygotsky’s sociocultural framework, and Silberman’s active learning principles, the study focused on how small-group interaction fostered students’ social development through social mediation and collaborative behaviors. Twenty-five students participated in six ICM sessions, working in five small groups. Data were collected through observation sheets, field notes, and semi-structured interviews, and analyzed thematically using Saldaña’s coding framework Six interconnected themes emerged: (1) peer mediation and verbal scaffolding, (2) collaborative role negotiation, (3) self and peer regulation in task engagement, (4) clarification and meaning-making, (5) positive emotional climate and motivation, and (6) challenges and resolution in cooperative learning. These patterns reflected how students shared responsibilities, supported one another, and co-constructed understanding through dialogic interaction. The findings highlight that structured cooperative tasks like ICM can nurture students’ interpersonal growth and classroom social norms. This study offers insights for EFL educators seeking to promote meaningful peer collaboration in primary-level language classrooms.
Co-Authors Erlangga, Yana Gumilar, Agus Rojab Siti Rodliyah Salman Salman