Differences in gait characteristics in the final minute of six-minute shod and barefoot steady-state treadmill runs at the same relative intensity in well-trained habitually-shod runners

Gait variable Mean change from shod; 90% CI (% mean change from shod; 90% CI) Chance (%) that true effect exceeds smallest important change; qualitative interpretation
Contact time (ms)
n=8
-26.5; -44.3 to -8.7
(-12.5%; -20 to-5%)
96%; very likely decreased
Flight time (ms)
n=8
-0.4; -7.3 to 8.0
(-8.5%; -9.1 to -26.1%)
59%; possibly decreased
Stride rate (stepsˇmin-1)
n=8
10.4; 4.9 to 15.8
(7.5%; 1.8 to 13%)
98%; very likely increased
Stride length (m)
n=8
-0.07; -0.11 to -0.04
(-9%; -12 to -6%)
100%; almost certainly decreased
Horizontal distance between point of contact and hip (cm)
n=12
-2.6; -4.3 to -0.9
(-11%; -19 to -4%)
90%; likely decreased
Ankle dorsi-flexion at mid stance (°)
n=12
7.1; 4.5 to 9.8
(6.5%; 4.2 to 8.7%)
100%; almost certainly increased
Knee flexion at mid stance (°)
n=12
3.2; 1.7 to 4.7
(2.3%; 1.2 to 3.3%)
98%; very likely increased
Vertical stiffness (Nˇm-1)
n=12
4100: 2815 to 5384
(17.5%; 12.1 to 23.1%)
100%; almost certainly increased
Leg stiffness ( Nˇm-1)
n=12
1294; 689 to 1899
(13.4%; 7.4 to 19.8%)
99%; very likely increased