1 of 270 acromions) and type I (22 [24%] of 90 acromions).

2 acromial types I, II, and III were 22.8% (90 acromions), 68.5% (270 acromions), and 8.6% (34 acromion

3 iable was the remaining distance between the acromion and clavicle (ACD), as well as the coracoid pro

4 was symmetric in 135 (70.7%) of 191 pairs of acromions and asymmetric in 56 pairs (29.3%).

5 cromions) versus type II (115 [42.6%] of 270 acromions) and type I (22 [24%] of 90 acromions).

6 nd III were 22.8% (90 acromions), 68.5% (270 acromions), and 8.6% (34 acromions), respectively.

7  the tendon insertion sites and the glenoid, acromion, and coracoid for the loaded ABER position.

8 b mobility required by gliding occurs at the acromion-clavicle and glenohumeral joints, is different

9 ance between the supraspinatus insertion and acromion in the loaded ABER position decreased significa

10 s of this method, osseous impingement by the acromion is not a primary cause of shoulder impingement

11 omions), 68.5% (270 acromions), and 8.6% (34 acromions), respectively.

12 were most common in type III (20 [59%] of 34 acromions) versus type II (115 [42.6%] of 270 acromions)