– Discussion: – helps to determine preoperative pathology; – in infancy, ossification centers of the talus, calcaneus, and cuboid are present, whereas the navicular does not appear until 3-4 yr; – Method of Beatson and Pearson – AP of Foot: – taken in 30 deg … Read more
– See: – Posterior Interosseous Nerve Syndrome : – Radial Nerve Palsy Associated w/ Humeral Shaft Frx: – Radial Nerve Block – Tendon Transfers for Radial Nerve Palsy: – Anatomy: – three posterior divsions of brachial plexus form posterior cord: (C5 , C6 , C7, C8, T1) – radial nerve (C5, C6, C7 , C8 … Read more
– See: Stages of Rheumatoid Arthritis – Discussion: – affects 1-3% of adult population; – female predominance of about 3 to 1; – peak age of onset 35 and 45 years; – most often presents with involvement in the feet and hands (intial involvement occurs in 15% … Read more
– See: – Innervation – Rectus Femoris / Intermedius / Lateralis / Medialis – Extensor Mechanism Injuries of the Knee – Rupture of the Quadriceps – Rectus Femoris: origin: – straight head: anterior … Read more
– See: external rotators of the hip: Origin: superior aspect of external border of the tuberosity at ischium; Insertion: superior aspect of the linea quadrata, the line which extends downward from the intertrochanteric crest of femur; Synergists: piriformis, obturator externus, obturator internus, gemellus superior, gemellus inferior; Action: external rotation of the femur at the hip; … Read more
– Discussion: – pediatric pseudosubluxation refers to normal mobility of C-2 on C-3 in flexion which may be so pronounced as to be mistaken for pathologic motion; (is normal in children < 8 years old); – prevalence: … Read more
– Anatomy: – origin: anterior surface of transverse process, lateral border of vertebral bodies and corresponding intervertebral discs of T12-L5; – at the 3 o’clock position, the iliopsoas is composed of 45% tendon and 55% muscle; – tendon is located directly anterior to the anterior superior capsulolabral complex at the 2-3 … 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: – 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