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

  • Zafeiridis A
  • Dalamitros A
  • Dipla K
 et al. 
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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 (, PTFL (, and TW ( 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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  • Andreas Zafeiridis

  • Athanasios Dalamitros

  • Konstantina Dipla

  • Vasiliki Manou

  • Nikiforos Galanis

  • Spyros Kellis

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