Open AccessReliable Peak Power Assessment During Concentric and Flexion-Extension-Cycle Based Rowing Strokes using a Non-Modified Rowing Ergometer
Author(s) -
Steffen Held,
Ludwig Rappelt,
Lars Donath
Publication year - 2022
Publication title -
journal of sports science and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.815
H-Index - 65
ISSN - 1303-2968
DOI - 10.52082/jssm.2022.131
Subject(s) - rowing , concentric , intraclass correlation , cycle ergometer , coefficient of variation , stretch shortening cycle , reliability (semiconductor) , medicine , mathematics , physical medicine and rehabilitation , power (physics) , physical therapy , statistics , heart rate , reproducibility , physics , quantum mechanics , physiology , geometry , archaeology , blood pressure , history , jumping
Accurate assessment of peak rowing power is crucial for rowing-specific performance testing. Therefore, within and between day reliability of a non-modified rowing ergometer was examined. 52 trained male rowers (21.0 ± 2.9 years; 1.89 ± 0.05 m; 83.2 ± 8.2 kg; 2,000-m ergometer Time Trial mean power: 369 ± 57 W) performed (two times 4) isolated concentric rowing strokes (DRIVE) and single flexion–extension cycle (FEC-type) rowing strokes (SLIDE-DRIVE) on two separate days (1 week apart). Good to excellent intraclass correlation coefficients (0.94 ≤ ICC ≤ 1.00), low standard error of measurement (≤ 2.7%), low coefficient of variation (≤ 4.9%), and suitable level of agreements (≤ 30W) for DRIVE and SLIDE-DRIVE indicated a high level of (within and between day) reliability. In addition, SLIDE-DRIVE (423 ± 157 W) revealed remarkably higher rowing power (p ≤ 0.001; ηp2 = 0.601; SMD = 0.34) compared to DRIVE (370 ± 154 W). The non-modified rowing ergometer is considered to be a reliable tool for the peak power assessment during isolated concentric contraction and FEC-type rowing strokes. Notably higher power outputs (compared to an isolated concentric contraction) during FEC rowing may refer to an underlying stretch shortening cycle.