Table 5. Comparison of outcome measures (means ± SD) in LOS for four HHS in inexperiencedand experienced groups.

	Inexperienced HHS wearers (N = 21)					Experienced HHS wearers (N = 20)				p values
	0.8 cm	3.9 cm	7 cm	10.1 cm		0.8 cm	3.9 cm	7 cm	10.1 cm	Within groups	Between groups	Two-way interaction
COG movement velocity (∘/s)
	4.86 ± 1.79	4.46 ± 1.44	4.34 ± 1.39	3.58 ± 1.16		85.85 ± 6.33	5.30 ± 1.60	5.20 ± 1.51	4.84 ± 1.45	<0.001	0.155	0.659
Directional control (%)
	82.33 ± 5.62	82.00 ± 6.83	77.67 ± 8.48	68.62 ± 9.74		84.45 ± 3.98	84.95 ± 3.20	80.20 ± 5.65	77.45 ± 6.53*	<0.001	0.029	<0.001

Notes.

COG

center of gravity

^*Inexperienced vs. experienced HHS wearers, p < 0.05.