– See Rotator cuff: – anatomy: – origin: middle half of the lateral scapular border; – insertion: inferior aspect of greater tuberosity of the humerus, capsule of shoulder joint; – action: – lateral rotation of humerus at the shoulder (responsible for 45% of power of external rotation); … Read more
– Discussion: – theory of tension band wiring: – modified anterior tension band technique is indicated for both transverse and comminuted fractures of the patella; – for maximal strength, wires are placed on tension surface of bone (anterior surface), as compared to circumferential cerclage wiring; … Read more
– See: Abductors of the Shoulder : Origin: dorsal surface of inferior angle of the scapula on the lower 1/3 of scapular axillary border; Insertion: medial lip of bicipital groove of humerus; medial to latissimus dorsi tendon; Action: adducts and medially rotates humerus at the shoulder; extends the shoulder joint; Reversed origin insertion action: … Read more
– Function: – references: – The effects of implant design on range of motion after total knee arthroplasty. Total condylar versus posterior stabilized total condylar designs. – Total condylar knee replacement. A study of factors influencing range of motion as late as two years after … 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
– Discussion: – has become standard technique for stabilizing types II & type III frx; – either two lateral pins, or one lateral and one medial pin may be used and both should penetrate the cortex; – medial and lateral pin insertion provides better stabilization; … 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
– Discusison: – traditionally used for the inflow cannula; – note that with modern pump equipment, the inflow canula is generally no necessary; – technique: – place this cannula under direct visualization so that the cannula will not be placed under a plicae or into a thick wad of … Read more