Discussion a monarticular synovial proliferative disease which is characterized by the metaplastic conversion of cartilagenous tissue to ossified loose bodies; cartilagenous or osteocartilaginous metaplasia takes place w/in the synovial membrane of joints, bursae, or tendon sheaths; seen most often in middle-aged men; pts report pain and limitation of motion; location over one-half of cases occur … Read more
– See: Anterior Approach to Shoulder and Synthes Proximal Humerus Products – Operative Treatment Options: – Lateral Plating (Locking Plating): – Percutaneous Pinning – Screw Tension Band Technique: – reduction: – in some cases cancellous bone from the … Read more
– Position: – beach chair position; – position should allows full shouler extension, exernal and internal rotation (note that the posterior cuff will be brought into the operative field by extending and internally rotating the shoulder – which is acomplished by pinning the patient’s arm between the OR table … Read more
– See Anterior Approach to Shoulder – Skin Incision
– Anatomy: – suprascapular nerve is derived from upper trunk of brachial plexus, typically receiving fibers from C5 and C6; – it contains both motor and sensory components, and sends sensory branches to both the glenohumeral and AC joints, but does not innervate the skin; – it passes downward, laterally (deep to the omohyoid and … Read more
– See: – Abductors of the Shoulder: – Rotator cuff; – Anatomy: – origin: medial 2/3 of supraspinatus fossa above spine of scapula; – insertion: superior surface of greater tuberosity of humerus and capsule of shoulder joint; – demensions: supraspinatus averages 25 mm wide and has … Read more
– See: proximal biceps tendonopathy – Discussion: – refers to a detachment lesion of the superior aspect of glenoid labrum, which serves as the insertion of long head of biceps; – relatively common injury in throwing atheletes, but may most commonly occur in patients who have fallen or who have received a blow on the shoulder; – references: – Kinetics … Read more
– See: Rotator cuff: – Anatomy: – origin: entire anterior surface of the subscapularis fossa; – insertion: lesser tuberosity of humerus and capsule of shoulder joint; – The Subscapularis Footprint: An Anatomic Description of Its Insertion Site. – action: – main … Read more
– Discussion: – subscapular artery is usually largest branch of Axillary Artery and arises from the 3rd part of the artery; – branches of subscapular artery enter costal surface of Subscapularis muscle, & frequently one or more small twigs arising directly from Axillary Artery do likewise; – from its origin it … Read more
– See: brachial plexus – Discussion: – subscapular and thoracodorsal nerves arise from posterior cord of brachial plexus while this is on costal surface of subscapularis; – both subscapular nerves usually receive fibers from C5 and C6; – upper subscapular nerve passes directly into … Read more