• 1 January 1966
    • journal article
    • research article
    • Vol. 95  (9) , 402-+
Abstract
During competitive water polo, heart rate in 6 subjects was monitored by cupped plastic and silver electrodes glued to the skin. Minimum rates during the game averaged 156 beats/min.; maximum rates averaged 186 beats/min. Mean maximum rate with bicycle exercise was 188 beats/min. Maximum oxygen (VO2 max.) with bicycle exercise of 14 water-polo players was 53.3 mf./kg. Physical working capacity (PWC 170) was 1310 kllopond meters per square meter (kpm/sq m). PWC 170 correlated well with VO2 max. in this small group (r=0.77). Oxygen uptake was measured at 3 speeds of swimming and 4 levels of work on a bicycle ergometer. VO2 max. of swimming was 88% of that obtained on bicycle exercise. Tne slope of the oxygen uptake vs. pulse rate curves was less for the swimming than for cycling, so that for a given oxygen uptake below the maximal, pulse rate was less In the swimmers. At near-maximal swimming, respiratory quotient was 0.95 compared with 1.27 for cycling, suggesting that the swimmers were underbreathing.