NDLI: Validity and reliability of critical power field testing

Content Provider	Springer Nature Link
Author	Karsten, B. Jobson, S. A. Hopker, J. Stevens, L. Beedie, C.
Copyright Year	2014
Abstract	To test the validity and reliability of field critical power (CP).Laboratory CP tests comprised three exhaustive trials at intensities of 80, 100 and 105 % maximal aerobic power and CP results were compared with those determined from the field. Experiment 1: cyclists performed three CP field tests which comprised maximal efforts of 12, 7 and 3 min with a 30 min recovery between efforts. Experiment 2: cyclists performed 3 × 3, 3 × 7 and 3 × 12 min individual maximal efforts in a randomised order in the field. Experiment 3: the highest 3, 7 and 12 min power outputs were extracted from field training and racing data.Standard error of the estimate of CP was 4.5, 5.8 and 5.2 % for experiments 1–3, respectively. Limits of agreement for CP were −26 to 29, 26 to 53 and −34 to 44 W for experiments 1–3, respectively. Mean coefficient of variation in field CP was 2.4, 6.5 and 3.5 % for experiments 1–3, respectively. Intraclass correlation coefficients of the three repeated trials for CP were 0.99, 0.96 and 0.99 for experiments 1–3, respectively.Results suggest field-testing using the different protocols from this research study, produce both valid and reliable CP values.
Starting Page	197
Ending Page	204
Page Count	8
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	115
Issue Number	1
e-ISSN	14396327
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-09-27
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Critical power Critical velocity Field-testing capacity Reliability Validity Human Physiology Occupational Medicine/Industrial Medicine Sports Medicine
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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