Table 1 Criteria for diagnosing postoperative stiff shoulder

Clinician’s diagnosis

Range of motion thresholds in two planes, both required

• Active elevation <100 degrees

AND

• Passive external rotation <30 degrees

Range of motion thresholds in two planes, at least one required

• Active elevation <100 degrees

OR

• Passive external rotation <30 degrees

Restricted range of motion compared to contralateral side, at least two planes

• Restriction of >30 degrees in TWO or more planes of movement

Restricted range of motion compared to contralateral side, at least three planes

• Restriction of >30 degrees in THREE or more planes of movement