– See: Extensor Mechanism of Fingers – Discussion: – two lateral bands arise from the sides of the EDC just proximal to the PIP; – interossei supplement the lateral bands on both sides of the digit; – lumbricals supplement lateral bands on radial side of the digit; … Read more
– See: – Lateral Compartment of the Knee: – Frx of Proximal Fibula: – Varus Stress Testing: – Discussion: – lateral collateral ligament is primary restraint to varus angulation; – LCL also acts to resist Internal Rotation forces; – cutting of LCL in … Read more
– Discussion: – it is a continuation of musculocutaneous nerve originating from C5 – C8 nerve roots and lateral cord of brachial plexus; – be aware of the frequent anatomic variation as it crosses the elbow; – becomes superficial at anterolateral aspect of elbow between biceps and brachialis muscle; … Read more
– See: Kocher Approach to Elbow: – Discussion: – allows exposure of lateral column (for condylar frx), capitellum, and radial head, – it can also be used for Monteggia frx as well as for exposure for PIN decompression; – lateral approach is not optimal for complex … Read more
– Lateral Approach: – incision is made directly lateral in thigh & thru midpoint of lateral condyle distally, staying anterior to proximal insertion of LCL; – proximal exposure: – incision is extended as necessary for diaphyseal involvement of the supracondylar frx; – … Read more
– Discussion: – see: lag screw theory: – when the fibular fracture is sufficiently oblique, is not comminuted, and is not osteoporotic, then sufficient fixation can be achieved w/ only two lag screws; – the oblique fracture should be longer than 2x diameter of bone inorder for … Read more
– See: – Anterior Cruciate Ligament – Anterolateral Rotatory Instability – Clunk Test – Losee Test – Pivot shift – Discussion: – this is a variant of the anterior drawer test, in which the examination is carried out … Read more
– CPK: – normal CPK is approximately 200 units; – in DMD, CPK can be elevated 10-20 fold, but may be as high as 10,000 IU/L; – serum CPK may also be elevated in limb girdle dystrophy, dermatomyositis, type IV spinal muscular atrophy, but will not be elevated as … Read more
– See Laboratory work up for Infected Total Knee: – Culture Specimen: – in the report by Levine BR and Evans BG, the authors studied 3 different intraoperative culture techniques and their diagnostic value in determining clinical infection in patients after a total joint replacement; – 24 patients (34 … Read more
– Upper Extremity Amputations – Discussion: – this procedure transforms below-elbow amputation stump into radial & ulnar pincers; – functionally pt will be capable of prehension and will improve quality of the grasping mechanism; – main indication: for blind bilateral below-elbow amputee; – disadvantage: arm may appear cosmetically unacceptable; – requirements: – it should not … Read more