Data Trace Editor – Anatomy: – three posterior divsions of brachial plexus form posterior cord: (C5 , C6 , C7, C8, T1) – upper subscapular nerve to subscapularis – thoracodorsal to latissimus dorsi – lower subscapular nerve to subscapularis and teres major … Read more
– See: – Classification and Column Theory – Posterior Wall Fractures – AO Foundation Posterior Column Frx – Discussion: – posterior column extends from obturator foramen thru posterior aspect of the wt bearing dome of acetabulum & then obliquely through greater sciatic notch; – frx of … Read more
– Discussion: – includes lamina, pedicles, spinous processes, including supraspinous and intraspinous ligaments, ligamentum flavum, & facet capsules; – Clay Shoveler’s fx – Ligamentous Instability: – consists of combined role of right & left Facet Joint & lateral masses in resisting compression; – ligamentous complex in posterior motion segment resists … Read more
– Discussion: (see TKR menu) – posterior capsular ligament has three parts; (see posterior oblique ligament) – one overlies each femoral condyle and a third, shorter section passes between them; – these three parts normally limit extension provided that the depths of the prosthetic surfaces and the cement are … Read more
– Indications: – displaced type II dens frx; – note that if posterior C1-C2 fusion is begin considered for type II dens frx, it is important to ensure that there is not a concomitant C1 arch frx; – Anatomy: – vertebral arteries: – … Read more
– Discussion: – cervical kyphosis is a general contra-indication for posterior decompression; – Surgical Approach: – prone position using Mayfield head holder w/ neck in neutral; – during operative procedure, erector spinae muscles should not be dissected laterally beyond the facets; – this avoids … Read more
– See: Posterior Approach to the Humerus; – Discussion: – considered to be the most versatile approach to the elbow; – most surgeons use straight longitudinal incision, which avoids olecranon tip, by shifting the incision slightly laterally or medially; – Variations of Posterior Approach: – Transolecranon Osteotomy … Read more
– See: – Anterior Approach Shoulder – Post Approach to Humerus – Discussion: – indicated from frx of the scapula, esp when the pathology is posterior; – Technique: – positon the patient in the prone or lateral position; – skin incision is made … Read more
– Discussion: – S shaped skin incision is made, extending along the posterior border of biceps and its tendon on the upper lateral side of popliteal fossa, then transversely across the fossa and finally along lower medial side of fossa posterior to semitendinosus tendon; – skin flaps are retracted and the deep fascia is incised … Read more
– See: – Anterior Approach to Humerus – Posterior Approach to the Elbow; – Plate Fixation of the Humerus; – Indications: – Distal Third Humeral Fractures: – Humeral Mid-Shaft Frx are also amenable to the posterior approach if the formal approach is modified (see below); … Read more