Pre-season physiological characteristics of English first and second division soccer players
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CONTRIBUTORS:
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JOURNAL:
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YEAR:
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1992
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PUB TYPE:
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Journal Article
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SUBJECT(S):
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SOCCER; MAN; YOUNG-ADULT; TEAM-POSITION; COMPARATIVE-STUDY; ANAEROBIC-CAPACITY; AEROBIC-CAPACITY; ADIPOSE-TISSUE; BODY-COMPOSITION; SPEED; SKILL; PRE-COMPETITION
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DISCIPLINE:
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No discipline assigned
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HTTP:
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LANGUAGE:
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English
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PUB ID:
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103-366-326
(Last edited on
2002/02/27 18:45:01 US/Mountain)
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SPONSOR(S):
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ABSTRACT:
This investigation was undertaken in an effort to establish physiological characteristics of soccer players and to relate them to positional roles. A total of 135 footballers (age 24.4 plus/minus 4.6 years) were assessed for body mass, percent body fat, haemoglobin, maximal oxygen uptake (VO2max), leg power, anaerobiccapacity and speed prior to an English league season. The sample included 13 goalkeepers, 22 full-backs, 24 centre-backs, 35 midfield players and 41 forwards. The goalkeepers were significantly heavier (86.1 plus/minus 5.5 kg; P is less than 0.01) than all groups except the centre-backs, had significantly higher estimated body fat percentages than centre-backs, forwards, midfield players (P is less than 0.01) or full-backs , significantly lower estimated VO2max values (56.4 plus/minus 3.9 ml kg-1 min-1; P is less than 0.01) and were slowest over 60 m (12.71 plus/minus 0.42 s). The midfield players had the highest perdicted VO2max values (61.4 plus/minus 3.4 ml kg-1 min-1), this being significantly greater than for the centre-backs. The forwards were the fastest group over 60 m (12.19 plus/minus 0.30 s), being signficantly quicker than goalkeepers or centre-backs (P is less than 0.01) and full-backs. Anaerobic power, as well as knee extensor torques (corrected for body mass) and extensor-flexor ratios, were similar between groups. No difference in estimated body fat percentage was observed between any of the outfield players, and haemoglobin concentrations were similar among players of all positions. While a distinction can be made, therefore, between goalkeepers and outfield players in terms of physiological characteristics and role requirements, the difference between outfield players is less obvious.
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