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Author

Marcelle Schaffarczyk

2 papers indexed here

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Open access Aug 2026

Heart rate variability–guided endurance training: evaluating strengths, weaknesses, opportunities, and threats for load prescription and adjustment

The primary limitation of HRV-guided endurance training is no longer the availability of physiological data, but the lack of transparent and physiologically grounded decision frameworks that define how HRV-derived signals should be interpreted, weighted, and translated into valid and actionable training prescriptions.

Marcelle Schaffarczyk, B. Sperlich · 1 citation · ⚡1
Open access Oct 2026

Physiological and biomechanical characteristics of a Hyrox world champion—a case study

We investigated the physiological and biomechanical characteristics of an elite Hyrox athlete, aiming to develop appropriate diagnostic protocols and to guide future needs-analysis studies in Hyrox. An incremental step protocol with a subsequent ramp was applied before and after a Hyrox-specific simulation...

L. Schwalm, Marcelle Schaffarczyk, Janina Mai et al. · 0 citations

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