The acute effects of graded physiological strain on soccer kicking performance: a randomized, controlled cross-over study

Ivan Radman, Barbara Wessner, Norbert Bachl, Lana Ruzic, Markus Hackl, Tomislav Prpic, Goran Markovic (Korresp. Autor*in)

Veröffentlichungen: Beitrag in FachzeitschriftArtikelPeer Reviewed

Abstract

Purpose: The aim of the present study was to examine the acute effects of graded physiological strain on soccer kicking performance. Methods: Twenty-eight semi-professional soccer players completed both experimental and control procedure. The experimental protocol incorporated repeated shooting trials combined with a progressive discontinuous maximal shuttle-run intervention. The initial running velocity was 8 km/h and increasing for 1 km/h every 3 min until exhaustion. The control protocol comprised only eight subsequent shooting trials. The soccer-specific kicking accuracy (KA; average distance from the ball-entry point to the goal center), kicking velocity (KV), and kicking quality (KQ; kicking accuracy divided by the time elapsed from hitting the ball to the point of entry) were evaluated via reproducible and valid test over five individually determined exercise intensity zones. Results: Compared with baseline or exercise at intensities below the second lactate threshold (LT 2), physiological exertion above the LT 2 (blood lactate > 4 mmol/L) resulted in meaningful decrease in KA (11–13 %; p < 0.05), KV (3–4 %; p < 0.05), and overall KQ (13–15 %; p < 0.01). The light and moderate-intensity exercise below the LT 2 had no significant effect on soccer kicking performance. Conclusions: The results suggest that high-intensity physiological exertion above the player’s LT 2 impairs soccer kicking performance. In contrast, light to moderate physiological stress appears to be neither harmful nor beneficial for kicking performance.

OriginalspracheEnglisch
Seiten (von - bis)373-382
Seitenumfang10
FachzeitschriftEuropean Journal of Applied Physiology
Jahrgang116
Ausgabenummer2
DOIs
PublikationsstatusVeröffentlicht - Feb. 2016

ÖFOS 2012

  • 303028 Sportwissenschaft
  • 303030 Trainingswissenschaft

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