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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.
Relationship of Q-Angle With Walking Speed in Knee Osteoarthritis Patients Muchammad Yahya Yahya; Firdausi Kahfi Maulana; Nur Luthfiatus Solikah
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.v1i1.43556

Abstract

Background: Knee Osteoarthritis is one of the biggest health problems in the world because knee Osteoarthritis is a degenerative disease whose condition severity usually increases with age. Patients with osteoarthritis of the knee often complain of various symptoms, especially pain, which can interfere with their functional activities, including walking. With age, the severity of the condition increases, potentially leading to alignment abnormalities in the knee. Alignment abnormalities occur due to changes in the Q-angle from the normal position. An increase in Q-angle occurs with malalignment, which will cause functional abnormalities and can result in subluxation of the patella and trigger various complaints in the knee.Objectives: In patients with Knee Osteoarthritis patients often complain of a variety of complaints especially pain that disrupts the functional activity of patients including the ability of the patient to walk, as the age increases the severity of the condition that the possibility of Q-angle changes will occur malalignment that will cause abnormalities of function and trigger the emergence of various complaint on the knee.Methods: The research method used in this study is a correlative descriptive method. The study was conducted over a three-day period with respondents of 38 patients diagnosed with knee osteoarthritis between the ages of 40-70 years in the ambulatory care Husada Utama Hospital Surabaya. A large measurement of the Q-Angle angle and the speed of walking using 10mFPWTResults: After measurement and statistical test using chi-square test has obtained P value of 0,000. which is value less than 0.05.Conclusion: There's a relationship" between large Q-angle and speed walking in patients with knee osteoarthritis.