ranger wrote:The 2K is _severely_ anaerobic.
ranger
No it isn't. See de Campos Mello et al., Energy systems contributions in 2,000 m race simulation: a comparison among rowing ergometers and water, Eur J Appl Physiol (2009) 107:615–619.
This study investigated the energy system contributions of rowers in three different conditions: rowing on an ergometer without and with the slide and rowing in the water. For this purpose, eight rowers were submitted to 2,000 m race simulations in each of the situations defined above. The fractions of the aerobic (W AER), anaerobic alactic (W PCR) and anaerobic lactic (W [La−]) systems were calculated based on the oxygen uptake, the fast component of excess post-exercise oxygen uptake and changes in net blood lactate, respectively. In the water, the metabolic work was significantly higher [(851 (82) kJ] than during both ergometer [674 (60) kJ] and ergometer with slide [663 (65) kJ] (P ≤ 0.05). The time in the water [515 (11) s] was higher (P < 0.001) than in the ergometers with [398 (10) s] and without the slide [402 (15) s], resulting in no difference when relative energy expenditure was considered: in the water [99 (9) kJ min−1], ergometer without the slide [99.6 (9) kJ min−1] and ergometer with the slide [100.2 (9.6) kJ min−1]. The respective contributions of the W AER, W PCR and W [La−] systems were water = 87 (2), 7 (2) and 6 (2)%,
ergometer = 84 (2), 7 (2) and 9 (2)%, and ergometer with the slide = 84 (2), 7 (2) and 9 (1)%. , HR and lactate were not different among conditions. These results seem to indicate that the ergometer braking system simulates conditions of a bigger and faster boat and not a single scull. Probably, a 2,500 m test should be used to properly simulate in the water single-scull race.
That's 84% aerobic on an erg, 7% anaerobic alactic and 9% anaerobic lactic.
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