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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 24 The Shoulder 885

A

B

C

D

FIG. 24.11 Infraspinatus Tendon. (A) Long-axis probe position. The patient can simply rest the arm at the side, with the forearm palm up in

the lap. The probe is placed under the scapular spine and moved laterally to see the distal insertion on the greater tuberosity. (B) Long-axis image

of infraspinatus tendon (arrowheads). (C) Short-axis probe position. The probe is rotated 90 degrees to the infraspinatus long-axis starting position.

(D) Short-axis image of infraspinatus tendon (arrowheads).

A B C

FIG. 24.12 Rotator Cuff Musculature. (A) Probe position for supraspinatus muscle. The probe is placed at the top of the shoulder, medial to

the acromioclavicular joint, and posterior to the clavicle. (B) Probe position for infraspinatus and teres minor muscles. The probe is placed 90

degrees to the scapular spine, just inferior to the scapular spine (arrowheads). (C) Extended ield-of-view image of supraspinatus (straight arrow),

infraspinatus (arrowheads), and teres minor (curved arrow). Note the spine of the scapula (*) separating the supraspinatus and infraspinatus muscles.

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