Effects of 12 weeks high-intensity & reduced-volume training in elite athletes
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Effects of 12 weeks high-intensity & reduced-volume training in elite athletes. / Kilen, Anders; Larsson, Tanja Hultengren; Jørgensen, Majke; Johansen, Lars; Jørgensen, Susanne; Nordsborg, Nikolai Baastrup.
In: P L o S One, Vol. 9, No. 4, e95025, 2014.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Effects of 12 weeks high-intensity & reduced-volume training in elite athletes
AU - Kilen, Anders
AU - Larsson, Tanja Hultengren
AU - Jørgensen, Majke
AU - Johansen, Lars
AU - Jørgensen, Susanne
AU - Nordsborg, Nikolai Baastrup
N1 - OA
PY - 2014
Y1 - 2014
N2 - It was investigated if high-intensity interval training (HIT) at the expense of total training volume improves performance, maximal oxygen uptake and swimming economy. 41 elite swimmers were randomly allocated to a control (CON) or HIT group. For 12 weeks both groups trained ∼12 h per week. HIT comprised ∼5 h vs. 1 h and total distance was ∼17 km vs. 35 km per week for HIT and CON, respectively. HIT was performed as 6-10×10-30 s maximal effort interspersed by 2-4 minutes of rest. Performance of 100 m all-out freestyle and 200 m freestyle was similar before and after the intervention in both HIT (60.4±4.0 vs. 60.3±4.0 s; n = 13 and 133.2±6.4 vs. 132.6±7.7 s; n = 14) and CON (60.2±3.7 vs. 60.6±3.8 s; n = 15 and 133.5±7.0 vs. 133.3±7.6 s; n = 15). Maximal oxygen uptake during swimming was similar before and after the intervention in both the HIT (4.0±0.9 vs. 3.8±1.0 l O2×min-1; n = 14) and CON (3.8±0.7 vs. 3.8±0.7 l O2×min-1; n = 11) group. Oxygen uptake determined at fixed submaximal speed was not significantly affected in either group by the intervention. Body fat % tended to increase (P = 0.09) in the HIT group (15.4±1.6% vs. 16.3±1.6%; P = 0.09; n = 16) and increased (P
AB - It was investigated if high-intensity interval training (HIT) at the expense of total training volume improves performance, maximal oxygen uptake and swimming economy. 41 elite swimmers were randomly allocated to a control (CON) or HIT group. For 12 weeks both groups trained ∼12 h per week. HIT comprised ∼5 h vs. 1 h and total distance was ∼17 km vs. 35 km per week for HIT and CON, respectively. HIT was performed as 6-10×10-30 s maximal effort interspersed by 2-4 minutes of rest. Performance of 100 m all-out freestyle and 200 m freestyle was similar before and after the intervention in both HIT (60.4±4.0 vs. 60.3±4.0 s; n = 13 and 133.2±6.4 vs. 132.6±7.7 s; n = 14) and CON (60.2±3.7 vs. 60.6±3.8 s; n = 15 and 133.5±7.0 vs. 133.3±7.6 s; n = 15). Maximal oxygen uptake during swimming was similar before and after the intervention in both the HIT (4.0±0.9 vs. 3.8±1.0 l O2×min-1; n = 14) and CON (3.8±0.7 vs. 3.8±0.7 l O2×min-1; n = 11) group. Oxygen uptake determined at fixed submaximal speed was not significantly affected in either group by the intervention. Body fat % tended to increase (P = 0.09) in the HIT group (15.4±1.6% vs. 16.3±1.6%; P = 0.09; n = 16) and increased (P
U2 - 10.1371/journal.pone.0095025
DO - 10.1371/journal.pone.0095025
M3 - Journal article
C2 - 24736598
VL - 9
JO - PLoS ONE
JF - PLoS ONE
SN - 1932-6203
IS - 4
M1 - e95025
ER -
ID: 110245564