The relationship between blood lactate and heart rate responses to swim bench exercise and women's competitive water polo
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CONTRIBUTORS:
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JOURNAL:
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YEAR:
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1998
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PUB TYPE:
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Journal Article
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SUBJECT(S):
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HEART-RATE; LACTATE; SWIM-BENCH; EXERCISE; WATER-POLO; WOMAN; YOUNG-ADULT; METABOLISM
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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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103-366-602
(Last edited on
2002/02/27 18:44:59 US/Mountain)
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SPONSOR(S):
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ABSTRACT:
The aim of this study was to explore the relationship between physiological responses to dry-land testing and to water polo playing. Eight female water polo players (mean plus/minus s: age 26.7 plus/minus 5.7 years, height 169 plus/minus 6 cm, body mass 65.3 plus/minus 7.0 kg) participated in two assessments. The first involved a discontinuous incremental arm test to exhaustion on an isokinetic swim bench. Blood lactate was determined from finger-prick blood samples and heart rate was recorded at increasing exercise intensities. The highest (peak) values for blood lactate (5.1 plus/minus 0.2 mmol l-1), exercise intensity (79 plus/minus 5.2 W) and heart rate (146 plus/minus 6 beats min-1) were recorded at exhaustion. Also, the exercise intensity and heart rate at a blood lactate concentration of 4 mmol 1-1 were established. The second assessment involved determination of blood lactate and heart rate immediately after each quarter of a different water polo game for each subject. The mean (plus/minus S mean) blood lactate and heart rate for each quarter of the game were as follows: 3.5 plus/minus 0.4, 4.3 plus/minus 0.5, 4.3 plus/minus 0.7 and 4.6 plus/minus 0.5 mmol 1-1; 138 plus/minus 10, 149 plus/minus 12, 151 plus/minus 9 and 154 plus/minus 8 beats min-1, respectively. None of the peak values on the swim bench correlated with blood lactate or heart rate responses to game-playing. However, the mean exercise intensity at 4 mmol 1-1 lactate (64 plus/minus 5 W) correlated with the fourth quarter values of both blood lactate concentration (r = -0.82, P = 0.01) and heart rate (r = -0.93, P is less than 0.001). These results show that submaximal metabolic responses to exercise on a swim bench are closely correlated with metabolic responses to water polo game-playing.
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