Table 1 Participant values, group mean and standard deviations for pseudo stretch (PS) in each condition, difference in pseudo-stretch (PSD), energy cost of running (ECr) and difference in performance (ΔECr).
From: Effects of midsole cushioning stiffness on Achilles tendon stretch during running
PS [mm] | PSD | ECr [kJ∙kg−1 km−1] | ΔECr | |||
|---|---|---|---|---|---|---|
Stiff | Compliant | [mm] | Stiff | Compliant | [%] | |
P1 | 24.3 | 30.0 | − 5.7 | 4.59 | 4.47 | − 2.52 |
P2 | 50.2 | 48.9 | 1.3 | 4.75 | 4.72 | − 0.76 |
P3 | 44.5 | 45.2 | − 0.6 | 5.09 | 4.87 | − 4.33 |
P4 | 23.6 | 24.7 | − 1.1 | 4.79 | 4.67 | − 2.51 |
P5 | 35.9 | 37.4 | − 1.5 | 4.40 | 4.37 | − 0.70 |
P6 | 28.3 | 28.3 | − 0.1 | 5.04 | 4.98 | − 1.02 |
P7 | 40.3 | 38.6 | 1.6 | 4.39 | 4.60 | 4.57 |
P8 | 27.6 | 24.3 | 3.4 | 4.64 | 4.74 | 2.10 |
P9 | 38.2 | 39.3 | − 1.0 | 4.37 | 4.30 | − 1.55 |
P10 | 38.4 | 39.4 | − 1.0 | 4.40 | 4.22 | − 4.03 |
P11 | 38.8 | 37.5 | 1.2 | 3.94 | 4.00 | 1.49 |
P12 | 27 | 26.3 | 0.7 | 4.93 | 4.76 | − 3.44 |
P13 | 44.1 | 43.8 | 0.3 | 4.71 | 4.73 | 0.44 |
P14 | 22.6 | 22.2 | 0.4 | 4.41 | 4.44 | 0.70 |
Mean | 34.6 | 34.7 | − 0.1 | 4.60 | 4.56 | − 0.83 |
SD | 8.9 | 8.6 | 2.1 | 0.31 | 0.27 | 2.52 |