Recovery during high-intensity intermittent anaerobic exercise in boys, teens, and men

  • Zafeiridis A
  • Dalamitros A
  • Dipla K
 et al. 
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Abstract

PURPOSE: This study examined the effects of age on recovery of peak torque of knee extensors (PTEX) and flexors (PTFL), and total work (TW) during high-intensity intermittent 30-s (HI30) and 60-s (HI60) exercise in boys (N=19; age, 11.4+/-0.5 yr), teens (N=17; age, 14.7+/-0.4 yr), and men (N=18; age, 24.1+/-2.0 yr). METHODS: Each age group's subjects were subdivided to participate in an HI30 or an HI60 protocol. The HI30 involved 4x18 maximal knee extensions and flexions (1-min rest between sets), and the HI60 comprised of 2x34 reps (2-min rest). PTEX (N.m.kg), PTFL (N.m.kg), and TW (J.kg) were recorded at each set. The percent recovery of PTEX, PTFL, and TW was calculated as percent of the value achieved in the first set. RESULTS: In HI60, the percent recovery for PTEX, PTFL, and TW after the first set was higher in boys compared with teens and men (P

Author-supplied keywords

  • Children
  • Fatigue
  • Interval
  • Lactate
  • Torque
  • Work

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Authors

  • KONSTANTINA DIPLAAristotle University of Thessaloniki

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  • Andreas Zafeiridis

  • Athanasios Dalamitros

  • Vasiliki Manou

  • Nikiforos Galanis

  • Spyros Kellis

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