Figure Legend
Figure 1. The patient’s first diagnostic arthroscopy of the left shoulder revealed a 1 cm (medial-lateral) by 5 mm (anterior-posterior) lesion of the undersurface of the anterior aspect of the supraspinatus tendon. SS – supraspinatus tendon. LHB – long head of the biceps. HH – head of the humerus.
Figure 2. The patient’s second diagnostic arthroscopy similarly revealed a 1 cm (medial-lateral) by 5 mm (anterior-posterior) lesion of the undersurface of the anterior aspect of the supraspinatus tendon. SS – supraspinatus tendon. LHB – long head of the biceps. HH – head of the humerus.
Figure 3. Diagnostic arthroscopy demonstrated mild posterior-superior labral fraying, but no significant labral pathology. There was evidence of mild biceps tendinitis but its anchor on the superior labrum was intact. LHB – long head of the biceps.
Figure 4. (A) Diagnostic arthroscopy of the shoulder in neutral position. (B) The biceps tendon directly impinges the undersurface of the supraspinatus tendon when the shoulder is abducted and externally rotated (ABER). The LHB also assumes a more vertical and posterior angle in this position. SS – supraspinatus tendon. LHB – long head of the biceps. HH – head of the humerus.