Berkelmans, Daniel M., Dalbo, Vincent J., Fox, Jordan L., Stanton, Robert, Kean, Crystal O., Giamarelos, Kate E., Teramoto, Masaru, and Scanlan, Aaron T. (2018) The influence of different methods to determine maximum heart rate on training load outcomes in basketball players. Journal of Strength and Conditioning Research, 32 (11). pp. 3177-3185.

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Abstract

The summated-heart-rate-zones (SHRZ) approach utilizes heart rate (HR) responses relative to maximum HR (HRmax) to calculate the internal training load (TL). Age-predicted, test-derived, and session-based approaches have all been utilized to determine HRmax in team sports. The purpose of this study was to determine the effects of using age-predicted, test-derived, and session-based HRmax responses on SHRZ TL in basketball players. Semiprofessional, male basketball players (N = 6) were analyzed during the preparatory training phase. Six age-based approaches were used to predict HRmax including: Fox (220 - Age); Hossack (206 - [0.567 x age]); Tanaka (208 - [0.7 x age]); Nikolaidis (223 - [1.44 x age]); Nes (211 - [0.64 x age]); and Faff (209.9 - [0.73 x age]). Test-derived HRmax was taken as the highest HR during the Yo-Yo Intermittent Recovery Test (Yo-Yo IRT), while session-based HRmax was taken as the higher HR seen during the Yo-Yo IRT or training sessions. Comparisons in SHRZ TL were made at group and individual levels. No significant group differences were evident between SHRZ approaches. Effect size analyses revealed moderate (d = 0.60 to 0.79) differences apparent between age-predicted, test-derived, and session-based methods across the group and individually in two players. The moderate differences between approaches suggests age-predicted, test-derived, and session-based methods to determine HRmax are not interchangeable when calculating SHRZ. Basketball practitioners are encouraged to use individualized HRmax directly measured during field-based tests supplemented with higher HR responses evident during training sessions and games when calculating the SHRZ TL to ensure greatest accuracy.

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