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• W2617751502 abstract "Polarized intensity distribution (POL) is discussed to be superior to pyramidal distribution (PYR) in high performance endurance sports. POL is characterized by relatively high training volume performed in zone (Z) 1 (low intensity; < 2 mmol/L blood lactate) and Z3 (high intensity; > 4 mmol/L blood lactate), with far less volume in Z2 (close to lactate threshold). PYR is characterized by greater volume in Z2 than in Z3, albeit similar total volume. PURPOSE: The aim of this prospective study was to evaluate whether the gains in performance was superior with POL when compared to traditional PYR in sub-elite rowers during the final 11 weeks of a preparation period. METHODS: Fourteen internationally competing German male rowers participated in the 11-wk intervention and pre-post testing (age: 20 ± 2 y, VO2max: 66 ± 5 mL/min/kg). The sample was split into a PYR and a POL group by varying the percentage spent in Z2 and Z3 and matched for overall training and rowing volume including strength, unspecific endurance and other training (e.g. stretching). The actual training and intensity distributions were calculated from all athletes’ official training diaries and heart rate. To quantify the level of polarization, an index was calculated as follows: Pol-Index = log(Z1/Z2*Z3). Main outcome variable was average power in 2000 m ergometer test (P2k) (Concept 2). RESULTS: PYR and POL did not significantly differ regarding specific training volume (1334 ± 67 km and 1255 ± 264 km) or total volume (5953 ± 315 min and 5919 ± 1216 min), but POL had a significantly higher percentage of Z3 intensities (6 ± 3 % vs. 2 ± 1%; p < .005) and lower amount of Z2 (1 ± 1 % vs. 3 ± 2 %; p < .05) than PYR while Z1 was similar (94 ± 3 % vs. 93 ± 2 %, p = .37). P2k significantly improved from 443 ± 30 W to 445 ± 26 W (p = .023), but no changes were found between groups or between measurements within groups. 6/7 (86%) of the rowers with a Pol-Index > 2 improved P2k by more than 1.3 %, being the estimated error of measurement for this specific test. CONCLUSION: POL was not significantly superior to PYR during 11 wk of preparation in 14 rowers. However, results suggest that POL could be beneficial and advantageous, if it is particularly pronounced." @default.
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• W2617751502 date "2017-05-01" @default.
• W2617751502 modified "2023-09-24" @default.
• W2617751502 title "11-wk Preparation With Polarized Compared To Pyramidal Intensity Distribution Is Not Superior In Sub-Elite Rowers" @default.
• W2617751502 doi "https://doi.org/10.1249/01.mss.0000519888.45146.da" @default.
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