{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T01:41:43Z","timestamp":1767663703849,"version":"3.48.0"},"reference-count":26,"publisher":"Korea Society for Exercise Nutrition","issue":"4","license":[{"start":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T00:00:00Z","timestamp":1767052800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/2.0\/"}],"content-domain":{"domain":["e-pan.org"],"crossmark-restriction":true},"short-container-title":["Phys Act Nutr"],"published-print":{"date-parts":[[2025,12,30]]},"abstract":"<jats:p>[Purpose] This study aimed to evaluate the validity of the 5-minute running test (5RFT) as a field-based assessment of aerobic fitness by examining its correlation with maximal oxygen uptake (VO2max) measured using the Bruce protocol.[Methods] Twenty-one healthy male participants majoring in physical education at S University completed both the 5RFT and a laboratory-based VO2max test using the Bruce protocol. During the 5RFT, oxygen consumption was measured using a portable metabolic gas analyzer (K5, COSMED, Italy). VO2max values from the 5RFT were compared with laboratory-based measurements to determine validity.[Results] The 5RFT showed a strong positive correlation with VO2max measured using the Bruce protocol (r = 0.675, p &lt; 0.05). Additionally, a significant correlation was observed between the 5-minute oxygen consumption measured by K5 and the 5RFT (r = 0.621, p &lt; 0.01). However, mean difference analysis indicated that the 5RFT estimation values were higher than both the K5 and Bruce protocol results (p &lt; 0.001).[Conclusion] The findings suggest that the 5-minute running test, in combination with portable metabolic gas analysis, is a valid and practical method for estimating aerobic fitness in field settings. While the 5RFT may overestimate VO2max values compared to laboratory testing, its strong correlations support its applicability as a convenient alternative assessment tool.<\/jats:p>","DOI":"10.20463\/pan.2025.0033","type":"journal-article","created":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T06:36:17Z","timestamp":1767076577000},"page":"40-47","update-policy":"https:\/\/doi.org\/10.20463\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Validation of the 5-minute running test as a physiological indicator of aerobic 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bars","year":"2018","author":"G","key":"ref20"},{"volume-title":"The Impact of Sample Size on Reliability Metrics Stability in Field Testing","year":"2025","key":"ref21"},{"volume-title":"Generalizability Theory in the Evaluation of Psychological Assessment in Sport Science","year":"2024","author":"C","key":"ref22"},{"key":"ref23","first-page":"1472","volume-title":"Comparison of VO2max Estimations for Maximal and Submaximal Field and Laboratory Exercise Tests","author":"Rikli","year":"2023"},{"key":"ref24","first-page":"2676","volume-title":"Establish VO2max prediction models based on exercise heart rate and risk factor analysis in middle-aged adults","author":"Zhang","year":"2025"},{"volume-title":"","key":"ref25"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0306062"}],"container-title":["Physical Activity and Nutrition"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/e-pan.org\/upload\/pdf\/pan-2025-0033.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/e-pan.org\/journal\/view.php?doi=10.20463\/pan.2025.0033","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/e-pan.org\/upload\/pdf\/pan-2025-0033.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T00:55:01Z","timestamp":1767660901000},"score":1,"resource":{"primary":{"URL":"http:\/\/e-pan.org\/journal\/view.php?doi=10.20463\/pan.2025.0033"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12,30]]},"references-count":26,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2025,12]]}},"URL":"https:\/\/doi.org\/10.20463\/pan.2025.0033","relation":{},"ISSN":["2733-7545"],"issn-type":[{"type":"electronic","value":"2733-7545"}],"subject":[],"published":{"date-parts":[[2025,12,30]]},"assertion":[{"value":"2025-08-15","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication 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