– Discussion: – w/ flexion the cubital tunnel becomes taunt, and with extension the cubital tunnel becomes lax; – sharp freee margin of aponeurosis is stretched tightly over nerve during flexion; – volume of the cubital tunnel decreases, and extrinsic pressure increases during … Read more
– Discussion: – in the presence of H.O. the nerve should be placed in the subcutaneous position, since H.O. forms between muscle layers; – sub-muscular transposition (or subQ transposition) is also indicated to relieve tension following ulnar nerve repairs; – is often indicated in revision cubital tunnel surgery; … Read more
– See: Baumann’s Angle – Discussion: – cubitus varus is the most common complication following supracondylar frx, – orginally, etilogy of cubitus varus was thought to occur because of growth disturbance of distal humeral epiphysis; – this may be true but is uncommon; … Read more
– See: – Arterial Development: – Components: – inferolateral branch of arteria comitans nervi ischiadici inf gluteal ) – medial femoral circumflex – lateral femoral circumflex – 1st perforating branch of profunda – Discussion: – persisting distal portions of ischiadic artery become peroneal & … Read more
– Discussion: – demonstrates intra-articular extension of frx – degree of comminution of posterior facet; – calcaneocuboid joint; – impingement of lateral border of calcaneus on lateral malleolus and entrapment of tendons or nerves can be demonstrated; – latter is best seen … Read more
– Facial Fractures and Upper Airway Injuries: – in pts with major frxs of the mandible and maxilla (Lefort III) in whom massive edema has yet to occur, oral intubation is preferred, and if required is usually easily accomplished; – blind nasal intubation following major facial injury is discouraged because of … Read more
– Discussion: – the Coventry type of HTO, creates an osteotomy above the tibial tubercle; – in choosing a closing wedge osteotomy, the surgeon should be sure that the major deformity is on the tibial side (vs femoral side); – the disadvantages of this type of osteotomy include possible … Read more
Origin: tip of coracoid process on scapula; Insertion: middle of medial border of humerus, opposite deltoid tuberosity; action: horizontal flexion and adduction of the humerus at the shoulder; synergists: pectoralis major, biceps brachi, and anterior deltoid; nerve supply: musculocutaneous, C6, C7; – Surgical Hazards: – profunda gives off muscular branches, usually gives rise to … Read more
– Discussion: – can reduce back and knee pain; – improved ability to sit for longer periods of time; – increased incidence of dislocation; – indications for conversion: – painful pseudarthrosis – pseudorthrosis rates … Read more
– Discussion: – stenosing tenosynovitis of the flexor pollicis longus in childhood is relatively uncommon condition which causes triggering, IP joint flexion contracture, and a flexor tendon nodule over the metacarpal head level (Notta’s nodule); – although present at birth, dx often not made until 4-6 months of age – … Read more