Figure 1.

Peak power output measured during four sets of 4 x 6 s sprints on a 30-s cycle separated by 2 min of rest between sets in seven recreationally-active individuals. The columns represent maximal inspiratory pressure (MIP) measured during the Mueller maneuver and maximal inspiratory strength (S-Index) measured during dynamic inspiratory breathing maneuvers before and after repeated sprinting. There was no difference between the two measures of respiratory muscle strength, or before compared to after repeated sprinting (p < 0.05).