TABLE 4.

HF Kruskal-Wallis H test.

position	HF median (P25, P75)
neutral position	1329.56 (497.66,1606.97)
posterior extension	808.43 (372.46,1093.24)
left lateral flexion	636.16 (411.15,1392.90)
right lateral flexion	726.17 (488.05,972.85)
rotate left	640.14 (499.01,1139.10)
rotate right	753.66 (404.60,1053.55)
Z	3.76
P	0.709

Data are expressed as median (P25, P75). NP, neutral position; PE, posterior extension; FF, forward flexion; LLF, left lateral flexion; RLF, right lateral flexion; LR, left rotation; RR, right rotation.