Über die Zuverlässigkeit des Leistungspulsindex (LPI) nach E. A. Müller als Kriterium der körperlichen Leistungsfähigkeit.

In 2 months 489 LPI were run an 9 women and 4 men between 20 and 28 years of age. Standard conditions were observed except for optimum room temperature. The median values of LPI fluctuated between 2.74 and 5.55, the standard deviations between ±0.25 and ±0.50. Standard deviations were independent of medial LPI; the 95% relianceranges of the median values from groupe of three subsequent LPIs each fluctuated between ±8.2% and ±25.4% of the respective median value from all LPIs of one subject. A linear increase in pulse frequency during the 10-min-capacity test was not observed; pulse frequency climbs steeper with increasing load. In 5 of 13 subjects a significant negative correlation between LPI and starting pulse was observed, caused in all probability only in part by high room temperatures on hot days. [ABSTRACT FROM AUTHOR]

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