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Aprilyan Putra Bimantoro
Universitas Negeri Surabaya

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the artikel Tingkat Keterampilan Dasar Renang Anak Usia Prasekolah di NCL Aquatic Surabaya: Tingkat Keterampilan Dasar Renang Anak Usia Prasekolah di NCL Aquatic Surabaya Qhofifil Aien Tsasyahroh; Muhammad Dzul Fikri; Mokhamad Nur Bawono; Aprilyan Putra Bimantoro
Jurnal Porkes Vol 9 No 1 (2026): PORKES
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/porkes.v9i1.32827

Abstract

The assessment of swimming skills in preschool children in non-formal institutions is often subjective, requiring an objective and measurable evaluation approach. This study aims to describe the basic swimming skills of preschool children at NCL Aquatic Surabaya using a standardized observation instrument. This quantitative descriptive study involved six children aged 4-6 years as subjects. Data collection was conducted through direct observation using an observation sheet covering seven aspects of basic swimming skills. The data were analyzed descriptively by calculating the mean and standard deviation and categorizing the total scores into three levels of ability. The results showed that two children (33.3%) were in the Good category and four children (66.7%) were in the Moderate category. Arm movements received the highest average score (3.67), while water familiarization, entering the pool, and movement combinations received the lowest scores (3.33). In conclusion, the basic swimming skill level of preschool children at NCL Aquatic Surabaya was generally in the Moderate category, and more focused training is needed on aspects that require adaptation to the aquatic environment and complex movement coordination.
Hubungan Indeks Massa Tubuh dan Panjang Tungkai dengan Kecepatan pada Atlet Futsal SMA Negeri 1 Tempeh: Hubungan Indeks Massa Tubuh dan Panjang Tungkai dengan Kecepatan pada Atlet Futsal SMA Negeri 1 Tempeh Khareswara Wiku Januarta; Noortje Anita Kumaat; Roy Januardi Irawan; Aprilyan Putra Bimantoro
Jurnal Porkes Vol 9 No 3 (2026): September: Article in Progress
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/porkes.v9i3.35623

Abstract

Sprinting ability is an important physical component in futsal; however, research on the relationship between Body Mass Index (BMI) and leg length, in conjunction with sprint speed, among adolescent futsal athletes remains limited. This study aimed to determine the relationship between BMI and leg length and 30-meter sprint speed among futsal athletes at Tempeh State High School 1. The study employed a quantitative approach with a correlational design involving 20 subjects selected through total sampling. BMI data were obtained by measuring body weight and height; leg length was measured from the trochanteric point to the floor using an anthropometer; and sprint speed was measured using a 30-meter run test. Data analysis utilized Spearman’s Rho test because the BMI data were not normally distributed, along with partial correlation analysis for simultaneous relationships. The results showed a very strong and significant negative correlation between BMI and 30-meter sprint speed (rs = -0.944; p < 0.001) and between leg length and 30-meter sprint speed (rs = -0.996; p < 0.001). Partial correlation analysis showed that leg length had a stronger relationship (r = -0.935) with sprint speed than IMT (r = -0.714). It was concluded that anthropometric characteristics, particularly leg length, play a significant role in supporting sprint performance in futsal.