Int J Sports Med 2012; 33(06): 459-462
DOI: 10.1055/s-0032-1304641
Training & Testing
© Georg Thieme Verlag KG Stuttgart · New York

Kinematic Analysis of Soccer Players in Shuttle Running

J. Padulo
1   Faculty of Medicine and Surgery, University of Rome, Italy
,
S. D’Ottavio
1   Faculty of Medicine and Surgery, University of Rome, Italy
,
F. Pizzolato
2   Faculty of Sport Science, University of Verona, Italy
,
L. Smith
3   School of Health, Sport and Rehabilitation Sciences, University of Salford, United Kingdom
,
G. Annino
1   Faculty of Medicine and Surgery, University of Rome, Italy
› Author Affiliations
Further Information

Publication History



accepted after revision 23 January 2012

Publication Date:
15 March 2012 (online)

Abstract

The intermittent shuttle running test is mainly used within soccer to assess aerobic power. For this reason we studied kinematic parameters and heart rate at both an increasing speed, [Yo-Yo Endurance Lv 1 (Y1)] and at constant velocity [95% maximal aerobic velocity (MAV95%)]. 12 soccer players were selected for this study. A high-speed digital camera (210 Hz) was used to record motion; Dartfish5.5Pro was used to perform 2D video analysis and heart rate was also recorded and computed during the test. The parameters considered (baseline measures with respect to the end of each test) in this study were: step length (SL), contact time (CT) and heart rate (HR). SL: 40% in Y1 and  − 22% in MAV95%. CT:  − 31% in Y1 and 29% in MAV95%. HR: increased 96% in Y1 and 17% in MAV95%. These results highlight 2 different neuromechanical strategies adopted under fatigued conditions. In light of the clear changes of the CT in MAV95% (29%) and with respect to the moderate changes in HR (17%) it is clear that the CT is the most important parameter, as it experiences greater adaptations associated with neuromuscular patterns, under a fatigued condition as opposed to HR.

 
  • References

  • 1 Bangsbo J. The physiology of soccer – with special reference to intense intermittent exercise. Acta Physiol Scand Suppl 1994; 619: 34-36
  • 2 Belli A, Rey S, Bonnefoy R, Lacour JR. A simple device for kinematic measurements of human movement. Ergonomics 1992; 35: 177-186
  • 3 Cavanagh PR, Williams KR. The effect of stride length variation on oxygen uptake during distance running. Med Sci Sports Exerc 1982; 14: 30-35
  • 4 Di Prampero PE. The energy cost of human locomotion on land and in water. Int J Sports Med 1986; 7: 55-72
  • 5 Ferrari BD, Impellizzeri FM, Rampinini E, Castagna C, Bishop D, Wisloff U. Sprint vs. interval training in football. Int J Sports Med 2008; 29: 668-674
  • 6 Harriss DJ, Atkinson G. Update – Ethical standards in sport and exercise science research. Int J Sports Med 2011; 32: 819-821
  • 7 Hasegawa H, Yamauchi T, Kraemer WJ. Foot strike patterns of runners at the 15-km point during an elite-level half marathon. J Strength Cond Res 2007; 21: 888-893
  • 8 Impellizzeri FM, Rampinini E, Castagna C, Bishop D, Ferrari BD, Tibaudi A, Wisloff U. Validity of a repeated-sprint test for football. Int J Sports Med 2008; 29: 899-905
  • 9 Morio C, Chavet P, Androuet P, Foissac M, Berton E, Nicol C. Time course of neuro-mechanical changes underlying stretch-shortening cycle during intermittent exhaustive rebound exercise. Eur J Appl Physiol 2011; 111: 2295-2305
  • 10 Okuno NM, Perandini LA, Bishop D, Simoes HG, Pereira G, Berthoin S, Kokubun E, Nakamura FY. Physiological and perceived exertion responses at intermittent critical power and intermittent maximal lactate steady state. J Strength Cond Res 2011; 25: 2053-2058
  • 11 Padulo J, Annino G, Migliaccio GM, D’Ottavio S, Tihanyi J. Kinematics of running at different slopes and speeds. J Strength Cond Res 2011; [Epub ahead of print]
  • 12 Reilly T, Williams AM, Nevill A, Franks A. A multidisciplinary approach to talent identification in soccer. J Sports Sci 2000; 18: 695-702
  • 13 Soares-Caldeira LF, Okuno NM, Magalhaes SM, Campbell CS, Simoes HG, Nakamura FY. Similarity in physiological and perceived exertion responses to exercise at continuous and intermittent critical power. Eur J Appl Physiol 2011; [Epub ahead of print]
  • 14 Swanson SC, Caldwell GE. An integrated biomechanical analysis of high speed incline and level treadmill running. Med Sci Sports Exerc 2000; 32: 1146-1155