Table 5.

ΔZ-Excursion

Marker	ATD (mm)	PVs (mm)	95% CI (mm)
HT	−52.7 ± 1.9	−49.4 ± 31.7	–106.5 – 7.7
OP	55.9 ± 7.0	54.7 ± 16.0	30.1 – 79.2
NAS	−103.9 ± 6.6	−96.2 ± 24.8	135.0 – −57.4
EAM	−39.4 ± 1.9	−38.6 ± 15.2	−61.7 – −15.5
C4*	16.3 ± 7.4	55.9 ± 13.1	36.6 – 75.2
T1*	22.7 ± 5.1	63.4 ± 12.1	46.1 – 80.6
Pelvis*	−8.8 ± 1.8	22.4 ± 7.6	12.9 – 32.0

^*indicates significant differences at the 0.05 level. Negative z excursion indicates movement downward.