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.