leg                      NORMALIZED
    age      cadence    length  speed     stride   cadence  velocity
      (yr)   (st/min)     (m)   (m/s)      S/L         
                                 
        1.00     176     0.32     0.63      1.36     0.53     0.36
        1.50     171     0.36     0.71      1.39     0.54     0.38
        2.00     156     0.39     0.71      1.41     0.52     0.37
        2.50     156     0.41     0.80      1.49     0.53     0.40
        3.00     154     0.44     0.86      1.51     0.55     0.41
        3.50     160     0.47     0.99      1.59     0.58     0.46
        4.00     152     0.49     0.99      1.58     0.57     0.45
        5.00     154     0.53     1.08      1.58     0.60     0.47
        6.00     146     0.57     1.09      1.57     0.59     0.46
        7.00     143     0.62     1.15      1.57     0.60     0.47
        adult    111     1.00     1.45      1.57     0.59     0.46