Table 1 Geometric data of the coracoid and their relation to the coracoid soft tissue attachments

Total coracoid length (mm)

44.3 ± 4.1 (33.8–50.2)

46.1 ± 3.5 (33.8–50.2)

40.7 ± 2.8 (35.8–44.4)

< 0.001

Coracoid base length (mm)

17.3 ± 1.8 (11.9–21.1)

17.8 ± 1.5 (15.2–21.1)

16.4 ± 2.0 (11.9–18.3)

0.05

Coracoid tip to elbow (mm)

27.0 ± 3.8 (15.7–31.2)

28.3 ± 3.4 (15.7–31.2)

24.3 ± 3.2 (18.7–30.5)

0.001

Coracoid tip to distal trapezoid ligament (mm)

24.8 ± 3.4 (17.7–29.8)

26.0 ± 2.9 (17.7–29.8)

22.2 ± 3.0 (18.5–27.0)

0.004

Coracoid tip to anterior pectoralis minor (mm)

6.6 ± 2.8 (1.4–11.8)

6.8 ± 2.7 (1.4–11.8)

6.1 ± 2.9 (2.5–10.8)

0.52

Coracoid tip to posterior pectoralis minor (mm)

19.2 ± 4.1 (12.3–29.4)

20.1 ± 4.3 (14.4–29.4)

17.3 ± 3.3 (12.3–22.7)

0.10

Coracoid tip to anterior coracoacromial ligament (mm)

6.8 ± 2.0 (3.0–10.8)

7.2 ± 2.0 (3.3–10.8)

6.1 ± 1.9 (3.0–9.0)

0.20

Coracoid tip to posterior coracoacromial ligament (mm)

20.7 ± 6.3 (13.5–35.1)

19.8 ± 6.3 (13.5–35.1)

22.6 ± 6.1 (14.6–32.0)

0.24