Relationship of critical speed derived from a 10-min submaximal treadmill test to 5-km and 10-km running performances
- 1 February 2022
- journal article
- research article
- Published by Canadian Science Publishing in Applied Physiology, Nutrition, and Metabolism
- Vol. 47 (2), 159-164
- https://doi.org/10.1139/apnm-2021-0374
Abstract
It has been shown that the critical speed (CS) predicted from a perceptually self-regulated 10-min submaximal treadmill test (T10) is reliable and closely matches the CS estimated from conventional methods. To assess the relationship between the T10 and 5-km and 10-km running performances, 36 recreational runners (mean SD: age: 32.2 ± 6.2 years, height: 173.2 ± 7.3 cm, weight: 70.9 ± 8.8 kg, maximal oxygen uptake (V̇O2max): 53.3 ± 6.1 mL·kg−1·min−1) performed a ramp incremental test and 2 T10 tests (the first as a familiarization trial). Results showed that the T10 CS (3.9 ± 0.44 m·s−1) was significantly correlated with runners’ last 6 months best performances in 5 km (20.3 ± 2.7 min; r = –0.90) and 10 km (42.7 ± 5.7 min; r = –0.91), the V̇O2max (r = 0.75), the speed associated with the gas exchange threshold (vGET: 3.38 ± 0.36 m·s−1; r = 0.76), the speed associated with the second ventilatory threshold (vVT2: 4.15 ± 0.49 m·s−1; r = 0.84), and the speed associated with the V̇O2max (vV̇O2max: 4.78 ± 0.54 m·s−1; r = 0.87). Moreover, 79% and 83% of the variance in 5-km and 10-km performances could be explained solely by the CS predicted from the T10. Results evidenced the strong relationship and practical performance relevance of the T10 CS test. Novelty: Critical speed derived from a 10-min submaximal treadmill test (T10) is significantly correlated with 5-km and 10-km running performances. The T10 critical speed test may represent a useful tool for assessing running performance capabilities.Keywords
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