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Palpation Infraspinatus tendon
The patient lies prone, resting on the elbows and with the humerus in external rotation.
In this position the greater tubercle is situated lateral and slightly posterior to the acromial edge.
The fibers of the tendon run in a horizontal direction, from the infraspinal fossa towards the greater tuberosity.
The tenoperiosteal insertion is about 3-4 cm wide and lies partly behind and partly lateral to the outer rim of the acromion
The anterior part of the body of the tendon fills the gap between acromion and greater tubercle; the posterior part is located posterior to the acromial angle.
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