Table II.

Cubital tunnel depths, widths and depth/width ratios at various angles in the left and right elbows of normal adults (mean ± SD).

	0°			15°			30°
Group	Depth, mm	Width, mm	Depth/width	Depth, mm	Width, mm	Depth/width	Depth, mm	Width, mm	Cubital tunnel index
Left elbow	1.673±0.819	12.537±1.529	0.129±0.047	2.576±0.803	13.468±2.510	0.195±0.059	3.635±0.960	13.503±2.135	0.269±0.051
Right elbow	1.860±0.539	13.243±2.703	0.130±0.042	2.846±0.851	13.419±2.753	0.213±0.053	3.546±0.822	13.039±2.676	0.277±0.059
t-value	0.679	1.002	0.035	1.165	0.066	1.168	0.357	0.693	0.520
P-value	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05