– See: Shoulder Abductors – Discussion: – major function of the deltoid muscle is to abduct arm; – it performs this action after scapula[scapula has been fixed by its stabilizing muscles and the humeral head has been snubbed to glenoid by the rotator cuff; … Read more
– See: Anterior Approach to the Shoulder and Total Shoulder Arthroplasty – Incision: – deltopectoral internval separates plane between axillary innervation (deltoid) and lateral and medial pectoral innervation to pectoralis major (incision should stay just lateral to the axillary skin crease); – ensure that the shoulder is position in neutral rotation and slight … Read more
– See: – Laeral Compartment – Anterior Compartment – Superfical Posterior Compartment – Discussion: – contains tibialis posterior, FDL, & FHL; – originates primarily from posterior tibia, fibula, & interosseous membrane in proximal 2/3 of leg, these structures are involved in plantar flexion … Read more
– Discussion: – first performed by Darrach in 1911 in New York City. – Indications: – for relief of pain following distal RU disruption and/or RU arthritis; – for symptomatic malunion of Colle’s frx in elderly patients, especially when stiffness is present; – procedure is generally performed … Read more
– Discussion: – third generation cephalosporin; – adult: 1-2gm IV q12-24hr; t1/2=7.5hr; w/ long half life, allows once a day dosing, and home treatment; – peds: 100 mg/kg/day q12 or q24hr; – no need to change w/ renal failure; – broad spectrum Gm neg and … Read more
– See: Pes Cavus: – Discussion: – seldom present at birth, the deformity gradually becomes apparent as childs foot grows and matures; – components: – heightened longitudinal arch – cavus – – plantar flexion of 1st ray and pronation of the … Read more
– Anatomy: – subarachnoid space is prolonged in a duralarachnoid sheath around each dorsal and ventral root, roughly to level of union of roots; – because the cord is shorter than vertebral column, nerves slope inferiorly from their levels of origin to appropriate intervertebral foramina, and the angle becomes more acute from … Read more
– See: Metacarpal Extra-articular Base Frx – Discussion: – relatively mobile ring and little CMC joints are more susecptible to dislocation than the immobile index and long rays; – fifth CMC is the most frequently injured; – pertinent anatomy: – ring and little metacarpals articulate w/ … Read more
– See: Anatomy of Carpal Tunnel – TCL Incision: – transverse carpal lig is exposed, but this is generally obscured by origin of thenar & hypothenar muscles, which come to lie in opposition in midline; – palmar fascia is incised, & nerve is identified just proximal to the carpal canal; … Read more
– See: Anatomy of Carpal Tunnel – Anesthesia: – Bier Block: – proponents note that regional anesthesia allows a less rushed operation along w/ a synovectomy, if needed; – median nerve block at elbow; – w/ elbow extended brachial … Read more