Table 3.

Range of motion of finger flexion

Finger		Swanson [67]	Becker and Thakor [68]	Chao et al [25]	Hume et al [65]	Degeorges and Oberlin [69]	Yoshida et al [36]	Zheng and Li [70]	Mean (standard deviation)
Thumb	CMC	—	—	52.9	—	—	—	45	49 (6)
	MCP	—	—	—	56	—	77	50	61 (14)
	IP	—	—	—	—	—	81	80	81 (1)
Index	MCP	62	71	83	—	97	—	85	80 (13)
	PIP	—	104	101	—	110	—	100	104 (5)
	DIP	—	61	73	—	57	—	80	68 (11)
Middle	MCP	64	85	90	—	100	—	—	85 (15)
	PIP	—	104	103	—	114	—	—	107 (6)
	DIP	—	74	80	—	57	—	—	70 (12)
Ring	MCP	67	85	88	—	107	—	—	87 (16)
	PIP	—	107	105	—	110	—	—	107 (3)
	DIP	—	67	75	—	57	—	—	66 (9)
Little	MCP	64	86	90	—	105	—	—	86 (17)
	PIP	—	99	103	—	111	—	—	104 (6)
	DIP	—	71	78	—	58	—	—	69 (10)

Range of motion are presented in degrees.

CMC, carpometacarpal joint; DIP, distal interphalangeal joint; IP, interphalangeal joint; MCP, metacarpophalangeal joint; PIP, proximal interphalangeal joint.