title: The influence of aerobic fitness on the recovery of peak power output.
abstract: OBJECTIVE
  The aims of this study were to evaluate the recovery kinetics of peak power output (PPO) following a maximal sprint, and to evaluate the influence of aerobic fitness on that recovery process.
  
  
  METHODS
  On separate occasions, 16 well-trained men (age: 21 ± 3 years; height: 1.84 ± 0.05 m; and body mass: 78.8 ± 7.8 kg) performed a 30 s maximal sprint on a cycle ergometer, followed by a predetermined stationary rest period (5, 10, 20, 40, 80, and 160 s) and a subsequent 5 s sprint to determine PPO recovery kinetics. On another occasion, [Formula: see text] was monitored during recovery from a 30 s sprint to provide a comparison with the recovery of PPO. Finally, subjects completed a [Formula: see text] test to evaluate the influence of aerobic fitness on the recovery of PPO.
  
  
  RESULTS
  Despite following similar time courses (F = 0.36, p = 0.558), and being well described by double-exponential models, the kinetic parameters of PPO and [Formula: see text] in recovery were significantly different (p < 0.05). There was no significant relationship (r = 0.15; p = 0.578) between [Formula: see text] and the time to achieve 50 % recovery of PPO. Moreover, there was no difference (p = 0.61) between the recovery kinetics of participants classified according to their [Formula: see text] (59.4 ± 1.3 vs 48.5 ± 2.2 ml·kg(-1)·min(-1)).
  
  
  CONCLUSIONS
  Despite similar overall recovery kinetics, [Formula: see text] and PPO show differences in key model parameters. Moreover, the recovery of PPO does not appear to be affected by aerobic fitness.
authors.affiliation: School of Human Sciences, St Mary's University, Waldegrave Road, Strawberry Hill, Twickenham, TW1 4SX, UK, mark.glaister@smuc.ac.uk.
authors.forename: M
authors.initials: M
authors.lastname: Glaister
authors.forename: John R
authors.initials: JR
authors.lastname: Pattison
authors.forename: Bernadette
authors.initials: B
authors.lastname: Dancy
authors.forename: Gillian
authors.initials: G
authors.lastname: McInnes
mesh_terms: D017079:Exercise Tolerance; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010809:Physical Fitness; D020127:Recovery of Function; D012420:Running / Q000502:physiology*; D055815:Young Adult
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