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The Relationship between Body Mass Index (BMI) and VO2Max in Sports Students Resti Nurpratiwi; Susi Susanti; Nur Luthfiatus Solikah; Tita Rachma Ayuningtyas; Azizati Rochmania; Romadhiyana Kisno Saputri; Isma Nur Azzizah; Rizky Patria Nevangga
Journal of Sports Medicine and Physiotherapy Vol. 1 No. 1 (2025): Journal of Sports Medicine and Physiotherapy
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/josmpt.v1i1.43372

Abstract

Background: Sports students, often also athletes and coaches, require optimal physical condition and fitness for peak performance and achievement. Maintaining fitness minimizes health risks and boosts exercise efficiency. VO2Max, the maximal oxygen uptake during intense exercise, is a key cardiovascular fitness indicator closely tied to muscle work capacity. Elevated Body Mass Index (BMI) and excess fat can impair cardiac function, reduce cardiac output, and hinder oxygen uptake, leading to lower VO2Max. This study focuses specifically on trained, active sports students, distinguishing it from prior research on general student populations. Objectives: To examine the relationship between BMI and VO2Max in sports students. Methods: This quantitative descriptive study used an observational analytic design. The study involved a total of 30 subjects active university students (19-22 years) were purposively sampled. BMI was measured with TANITA BC-545N, and VO2Max  with the 12-minute Cooper test. Data analysis included descriptive statistics, Shapiro-Wilk normality test, and Pearson correlation. Results: Mean BMI was 21.84 ± 2.52 kg/m². Most participants (70%) had normal BMI; 10% were underweight, 20% overweight. Mean VO2Max was 45.13 ± 4.93 mL/kg/min. Participants VO2Max, 53% were "good" and 23.5% "excellent".Normality test with Shapiro Wilk, p value BMI = 0.374 and p value VO2Max = 0.345 it mean (p> 0.05) then the data was normally distributed so that it was continued with parametric test is the Pearson Correlation test. A Pearson correlation showed a statistically significant negative relationship between BMI and VO2 Max (r = -0.372; p = 0.043), indicating a weak but inverse correlation. Conclusion: A significant negative relationship exists between BMI and VO2Max in sports students. Effective BMI management is crucial for preserving optimal cardiovascular fitness in this group. Keywords: BMI, VO2Max, Sport Student.
The Correlation Between Resting Heart Rate and Aerobic Capacity (VO₂max) in Sports Science Students Resti Nurpratiwi; Citra Adhitya Putri; Zefanya Putri Amelia Fo'eh; Suci Nurmarisa; Adelia Gita Pratiwi
Journal of Sports Medicine and Physiotherapy Vol. 2 No. 1 (2026): Journal of Sports Medicine and Physiotherapy
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/josmpt.v2i1.56379

Abstract

Background: research background Resting heart rate (RHR) and maximal oxygen uptake (VO₂max) are important indicators of cardiovascular health and physical fitness. Regular aerobic training is known to reduce RHR and enhance VO₂max through cardiovascular adaptations. However, the relationship between these variables in physically active sports science students has not been fully established, highlighting the need for further investigation. Objectives: This study aims to investigate the relationship between resting heart rate (RHR) and aerobic capacity (VO₂max) among sports science students. Methods: The research was conducted using a descriptive quantitative design with an observational-analytic approach. A total of 30 physically active students aged 19–22 years were selected through purposive sampling. RHR was measured using a digital blood pressure monitor and pulse palpation, while VO₂max was estimated using the 12-minute Cooper test. Statistical analysis revealed a significant negative correlation between RHR and VO₂max (r = –0.514, p = 0.004), indicating that students with lower RHR tend to have higher aerobic capacity. Results: The results reinforce the physiological understanding that cardiovascular adaptations from regular aerobic exercise—such as increased stroke volume and enhanced parasympathetic tone—contribute to reduced RHR and improved VO₂max. Conclusion: These findings suggest that RHR can serve as a practical, non-invasive indicator of cardiorespiratory fitness, particularly in populations undergoing structured physical training.