Rotation angle (degrees) range of each finger.

Table 2: Rotation angle (degrees) range of each finger.

Knuckle	Thumb	Index	Middle	Ring	Little
Base	[0, 80]	[0, 40]	[0, 20]	[0, 20]	[0, 20]
First	[0, 80]	[0, 90]	[0, 90]	[0, 90]	[0, 90]
Second	[0, 90]	[0, 108]	[0, 108]	[0, 108]	[0, 108]
Third	[0, 80]	[0, 90]	[0, 90]	[0, 90]	[0, 90]