Rapidly destructive osteonecrosis of the humeral head after arthroscopic rotator cuff repair: a case report

Table 1 The serial shoulder range of motion from before surgery to final follow-up

ROM	Pre-op	4 months after surgery	6 months after surgery	1 year after surgery
aFF	120	140	140	140
ERs	30	30	30	30
ERa	40	40	70	70
IRa	30	40	40	50
IRp	L3	L3	L4	L2

ROM Range of motion, aFF Active forward flexion, ERs External rotation to the side, ERa External rotation at 90° of abduction, IRa Internal rotation at 90° of abduction, IRp Internal rotation to the posterior

ISSN: 1471-2474