Table 1.

AP radiographic results

Quantitative Relationships of Elbow Anatomic Structures to Landmarks and Reference Lines on Elbow Anteroposterior Radiographs
Structure Relationship	Distance ± standard deviation (mm)
Humeral Attachment of MUCL to:
Coronoid attachment (anterior bundle)	28.6 ± 3.8
Olecranon attachment (posterior bundle)	14.3 ± 4.0
Superior aspect of medial epicondyle	11.7 ± 2.3
Transverse joint line	20.3 ± 3.7
Ulna Attachment of MUCL to:
Olecranon attachment (posterior bundle)	20.1 ± 3.3
Medial aspect of coronoid	5.9 ± 2.1
Transverse joint line	6.3± 2.0
Olecranon Attachment of MUCL to:
Medial aspect of coronoid	18.03 ± 3.9
Transverse joint line	15.8 ± 4.1
Humeral Attachment of LUCL to:
Supinator crest attachment	39.9 ± 4.0
Superior aspect of lateral epicondyle	8.9 ± 2.7
Transverse joint line	14.6 ± 3.2
Supinator Crest Attachment of LUCL to:
Transverse joint line	20.2 ± 2.8
Annular Ligament Dorsal Attachment to:
Annular ligament volar attachment	9.2 ± 4.2
Tip of coronoid process	14.9 ± 6.4
Transverse joint line	9.5 ± 3.8
Annular Ligament Volar Attachment to:
Tip of coronoid process	12.3 ± 2.9
Transverse joint line	11.4 ± 3.6
Biceps Insertion to:
Center of radial head	32.1 ± 3.7
Transverse joint line	33.3 ± 4.9
Triceps Insertion to:
Center of olecranon	7.6 ± 3.7
Transverse joint line	19.2 ± 3.6