Are we ready to measure running power? Repeatability and concurrent validity of five commercial technologies

被引:51
作者
Cerezuela-Espejo, Victor [1 ]
Hernandez-Belmonte, Alejandro [1 ]
Courel-Ibanez, Javier [1 ]
Conesa-Ros, Elena [1 ]
Mora-Rodriguez, Ricardo [2 ]
Pallares, Jesus G. [1 ]
机构
[1] Univ Murcia, Fac Sport Sci, Human Performance & Sports Sci Lab, Murcia, Spain
[2] Univ Castilla La Mancha, Exercise Physiol Lab Toledo, Toledo, Spain
关键词
Testing; biomechanics; exercise; kinetics; physiology; OUTPUT RELATIONSHIP; OXYGEN-UPTAKE; RELIABILITY; REPRODUCIBILITY; PERFORMANCE;
D O I
10.1080/17461391.2020.1748117
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
Training prescription in running activities have benefited from power output (P-W) data obtained by new technologies. Nevertheless, to date, the suitability of P-W data provided by these tools is still uncertain. The present study aimed to: (i) analyze the repeatability of five commercially available technologies for running P-W estimation, and (ii) examine the concurrent validity through the relationship between each technology P-W and oxygen uptake (VO2). On two occasions (test-retest), twelve endurance-trained male athletes performed on a treadmill (indoor) and an athletic track (outdoor) three submaximal running protocols with manipulations in speed, body weight and slope. P-W was simultaneously registered by the commercial technologies Stryd(App), Stryd(Watch), RunScribe, Garmin(RP) and Polar(V), while VO2 was monitored by a metabolic cart. Test-retest data from the environments (indoor and outdoor) and conditions (speed, body weight and slope) were used for repeatability analysis, which included the standard error of measurement (SEM), coefficient of variation (CV) and intraclass correlation coefficient (ICC). A linear regression analysis and the standard error of estimate (SEE) were used to examine the relationship between P-W and VO2. Stryd device was found as the most repeatable technology for all environments and conditions (SEM <= 12.5 W, CV <= 4.3%, ICC >= 0.980), besides the best concurrent validity to the VO2 (r >= 0.911, SEE <= 7.3%). On the contrary, although the Polar(V), Garmin(RP) and RunScribe technologies maintain a certain relationship with VO2, their low repeatability questions their suitability. The Stryd can be considered as the most recommended tool, among the analyzed, for P-W measurement.
引用
收藏
页码:341 / 350
页数:10
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