Assessing Criterion and Longitudinal Validity of Submaximal Heart Rate Indices as Measures of Cardiorespiratory Fitness: A Preliminary Study in Football
Tzlil Shushan,
Ric Lovell,
Shaun J. McLaren
et al.
Abstract:Objectives: To evaluate the criterion and longitudinal validity of field- and laboratory-derived heart rate (HR) indices of resting and submaximal fitness tests (SMFTs) as measures of cardiorespiratory fitness. Design: Observational, repeated measures. Methods: Twenty-nine semi-professional footballers participated. Laboratory assessments took place at the start and end of a preseason training period, whereby resting, SMFT HR-derived indices, and criterion measures of cardiorespiratory fitness (running economy… Show more
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