– Discussion: – coverts a complex link joint to a simple hinge by creating a radiocarpal articulation; – motion between the radius and capitate is both translational and rotational, which has the effect of dissipating forces on the radius; – expect 60-80% of contralateral motion (w/ about an 80% flexion-extension arc); – expect preservation of … Read more
– Discussion: – function of the PTFJ – accept 1/6 the axial load of the leg – resist torsional stresses originating from the ankle – resist tensile forces created with weight bearing – resists lateral bending forces – subluxation is common in preadolescent … Read more
Intramedullary Nailing of Femoral Shaft Fractures. Part I. Decision-making Errors with Interlocking Fixation. Intramedullary nailing of femoral shaft fractures. Part II: Fracture-healing with static interlocking fixation. Intramedullary nailing of femoral shaft fractures. Part III: Long-term effects of static interlocking fixation. Interlocking intramedullary nailing in femoral shaft fractures. A report of forty-eight cases. Cephalomedullary screws as the … Read more
– See: Hallux Valgus: – Cresentric Proximal Osteotomy: – allows redirection of the MT without loss of bone neither shortens nor lengthens the first metatarsal; – complications include malunion, delayed union, non union, and transfer metatarsalgia (not from shortening but if first MT is dorsiflexed); – Technique of Concentric Osteotomy: – dorsal incision is made … Read more
– Discussion: – frx of proximal tibial metaphysis are rare; – valgus greenstick fractures usually occur between 3-6 yrs of age; – cortex is slightly opened on the medial side; – distal fragment is angulated lateralward; – Non Operative Treatment: – usually treated with closed … Read more
– See: – Biceps Tendonitis – SLAP Lesions – Discussion: – this tendon may have some role as a depressor of humeral head, preventing superior migration of humeral head; – approx 50% of all ruptures occur thru the tendon of the long head; – rupture is … Read more
– See: – Subtrochanteric Fractures – Discussion: – failure of nail to fill IM canal of either the proximal or distal fragment, may lead to postoperative instability; – tend to migrate into a varus deformity – requires abduction and traction for reduction; – tends to have an accentuated anterior bow; – internal rotation tends to … Read more
– See: – Defects of the Fibula: – Van Nes Rotational Plasty: – Discussion: – a development defect of the proximal femur recongnizable at birth; – 3rd most common longitudinal deficiency of lower extremity; – abnormality ranges from hypoplasia of entire femur to … Read more
– See: Proximal Humeral Physeal Injuries – Discussion: – classification of proximal humeral fractures: – anatomic neck fracture: – one part fracture – two part fractures – two part surgical neck fracture – two part tuberosity fractures: – lesser tuberosity frx; – greater tuberosity frx; – three part fractures – four part fracture: – fracture … Read more
– See: Technique of Free Tendon Grafting – Discussion: – prosthetic graft serves as temporary spacer around which a pseudotendon sheath forms, & provides a healthy bed in which to place tendon autograft; – pulleys can be reconstructed at time of insertion of prosthesis – … Read more