Changes in technique throughout a 1500-m speed skating time-trial in junior elite athletes: Differences between sexes, performance levels and competitive seasons
Fig 2
Changes in knee (A and B) and push-off (C and D) angles for the faster and slower performance groups, for female (A and C, n = 56) and male (B and D, n = 64) skaters separately. Error bars representing 95% confidence interval of the mean.