Changes of force-velocity and power-velocity relationships after training performed on cycle ergometer

The aim of this work was the examination of lower limbs muscles force-velocity and power-velocity characteristics changes during the cycle ergometer training. Students of Academy of Physical Education in number of 43 took part in the research. They were divided in 4 groups and performed various velocity cycle ergometer training. The training encompassed 5 intermittent efforts parted with 2 min pause: group M10 - maximal efforts with the load equal 10% BW, group M5 - maximal efforts with load of 5% BW, group W80 - 3 min efforts with power equal 250 W and pedalling rate of 80 rpm, group W45 - 3 min efforts with power of 250 W and pedalling velocity equal 45 rpm. Control measurements of force-velocity (F-v) and power-velocity (P-v) relationships were taken each Monday before training beginning, during 4 weeks of the experiment and 2 weeks after it. The F-v simple regression equation average direction coefficients gained in all groups during 4 training weeks and after the 1(st) and 2(nd) week from testing differed significantly according to data gathered before the research. The F-v simple regression equation direction coefficients varied significantly between groups M 10 and M5 and between W80 and W45 after the 1(st) week from tests next, between M 5 and W80, W45 after the 2(nd) week of resting period. The highest increase of power output measured in P-v characteristics was observed in groups M5 and M 10 after the 1(st) week from the, experiment by following loads: 2.5%, 5.0% and 7.5% BW and in groups W45 and W80 immediately after 4 week training by loads of 10.0% and 12.5% BW. The lack of crucial differences among groups suggest that the pedalling rates used in trainings had no influence on the after training power output during F-v and P-v characteristics determination. The training intensity effects the simple force-velocity relationship direction coefficients.