Table 1.

Pre- and post-operative ranges of motion reports.

Motion	Reference	Preoperative values (°)				Postoperative values (°)
		Mean	s.d.	Min	Max	Mean	s.d.	Min	Max
AAE	(3, 4, 6, 12, 21, 22, 23, 24, 28)	72.2	31.3	10	180	135.5	29.9	20	180
AER	(3, 4, 6, 12, 21, 22, 23, 24, 28)	14.4	18.9	−15	90	26.5	19.3	−15	100
AIR	(22, 24, 28)	2.8	1.6	0*	10*	4.5	1.9	0*	10*
AAb	(3, 5, 6)	25	–†	0	60	121.9	–†	30	160

AAb, active abduction; AAE, active anterior elevation; AER, active external rotation; AIR, active internal rotation.

°degrees; *reported in a single study (23); ^†values lacking in all studies (range of preoperative values was provided by Werner et al. (6)).