Figure 5. Female, but not male, stride length differed among age groups; gait width showed no differences among age groups. (A, B) Gait width did not differ among the four age groups in female (p = 0.095) or male (p = 0.191) mice. (C) Mean rear-foot stride length among females in the four age groups was marginally different (p = 0.048). (D) Rear-foot stride length did not differ between males in the 4 age groups (p = 0.786). Post-hoc tests subject to Bonferroni correction for multiple comparisons. Sample size: Females n = 20, 20, 27 and 27 for 4, 20, 28 and 32 months; Males n = 22, 19, 26 and 22 for 4, 20, 28 and 32 months.