Cardiorespiratory Coordination in Collegiate Rowing: A Network Approach to Cardiorespiratory Exercise Testing

Zacharias Papadakis (), Michelle Etchebaster and Sergi Garcia-Retortillo ()
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Zacharias Papadakis: Human Performance Laboratory, Department of Health Promotion and Clinical Practice, College of Health and Wellness, Barry University, Miami Shores, FL 33161, USA
Michelle Etchebaster: Human Performance Laboratory, Department of Health Promotion and Clinical Practice, College of Health and Wellness, Barry University, Miami Shores, FL 33161, USA
Sergi Garcia-Retortillo: Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC 27109, USA

IJERPH, 2022, vol. 19, issue 20, 1-11

Abstract: Collegiate rowing performance is often assessed by a cardiopulmonary exercise test (CPET). Rowers’ on-water performance involves non-linear dynamic interactions and synergetic reconfigurations of the cardiorespiratory system. Cardiorespiratory coordination (CRC) method measures the co-variation among cardiorespiratory variables. Novice ( n = 9) vs. Intermediate ( n = 9) rowers’ CRC (H 0 : Novice CRC = Intermediate CRC; H A : Novice CRC < Intermediate CRC) was evaluated through principal components analysis (PCA). A female NCAA Division II team ( N = 18) grouped based on their off-water performance on 6000 m time trial. Rowers completed a customized CPET to exhaustion and a variety of cardiorespiratory values were recorded. The number of principal components (PCs) and respective PC eigenvalues per group were computed on SPSS vs28. Intermediate (77%) and Novice (33%) groups showed one PC 1 . Novice group formed an added PC 2 due to the shift of expired fraction of oxygen or, alternatively, heart rate/ventilation, from the PC 1 cluster of examined variables. Intermediate rowers presented a higher degree of CRC, possible due to their increased ability to utilize the bicarbonate buffering system during the CPET. CRC may be an alternative measure to assess aerobic fitness providing insights to the complex cardiorespiratory interactions involved in rowing during a CPET.

Keywords: complex adaptive systems; coordinative variables; dynamic networks; network physiology; intra-individual co-variability; dynamic couplings; principal component analysis; time-series analysis; cardiovascular system; athlete’s performance evaluation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (1)

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