– Discussion: – ulnar nerve blocks are used for frxs of little finger ray & in along w/ median and radial sensory blocks for ring finger ray fractures; – Anatomy: – ulnar nerve has two sensory branches that provide sensory innervation to ulnar side of the hand; – palmar … Read more
– Discussion: – see: elbow flexion contracture; – indicated for patients w/ loss of motion (out of functional range from 30 to 130 deg) due to anterior and posterior osteophytes; – PreOp Planning and Positioning: – patient is supine w/ bump placed under shoulder, and arm folded across chest; … Read more
(see also: Both Bone Forearm Fracture: / Ulnar Styloid Process) Anatomy radius & ulna lie parallel to each other when forearm is supinated; during pronation radius crosses ulna, rotating on axis that passes from capitulum through the distal end of ulna; ular side of wrist is supported by TFCC, which articulates w/ both lunate and triquetrium; … Read more
– See: – Vascular Problems of the Wrist and Hand: – Ulnar Artery in Forearm: – about 1 inch below the antecubital fossa, brachial artery divides into radial & ulnar arteries, w/ latter being larger; – paired venae comitantes accompany both radial & ulnar arteries; … Read more
– See: Multidirectional Instability: – Radiographic Subtypes: – Subcoracoid – most common type of anterior dislocation – head of humerus is displaced anteriorly w/ respect to glenoid, & is inferior to coracoid process; – greater tuberosity is fixed on anterior glenoid rim; – neck … Read more
– Discussion: Tibial Plateau Frx Menu – bicondylar frx w/ distal oblique shaft frx; – these frx have bicondylar frx along w/ dissociation of diaphysis from metaphysis; – if the medial plateau fragment is intact, this frx can be treated with placement of a lateral plate and and Ex … Read more
– Discussion: – posterior cortex is disrupted w/ no cortical contact; – distal fragment is displaced posteriorly and proximally (by pull of triceps); – w/ medial displacement, the medial periosteal hinge is intact; – w/ lateral displacement, the lateral periosteal hinge is intact; – Physical Exam: … Read more
– See: – Tibial Plateau Frx Menu: Bicondylar Fractures and Type V Frx, Type IV Fractures, Total Depression Fracture – Discussion: – frx of medial tibial plateau (see total depression frx): – carries worst prognosis of all tibial plateau fractures; – 2 subsets of injury: … Read more
– Discussion: – large bony fragment is avulsed by the tendon and is humg up at the level of distal pulley (A4); – technically the fragment is distal to the A4 pulley; – long vinculum remains intact; – tendon may separate from bony fragment … Read more
– Discussion: – characterized by tearing of coracoclavicular ligaments & upward displacement of the medial fragment; – displacement secondary to frx medial to the CC ligaments – Deforming Forces: – wt of arm pulls outer fragment downward and forward due to attachments of trapezoid ligament to scapula; … Read more