– Discussion: – involves a congenital insufficiency of facet joints (of S1 or L5) & disk complex, resulting in displacement w/o a defect or elongation of pars interarticularis; – there is gradual attenuation of the pars interarticularis, but no gap or defect in … Read more
– Discussion: – generally the functional range of motion for the elbow is between 30 to 130 deg; – flexion contractures greater than 45 deg will significantly limit ADLs; – hetertopic ossfication: – may occur after isolated spinal cord injury (3-5%), but will tend … Read more
– Discussion: – spinal dura is separated from inner surface of bones forming vertebral canal by epidural space containing fat and a rich plexus of veins; – dural sac continues inferiorly to about middle of 2nd sacral vertebra; – pia mater: – closely attached … Read more
Case Example by James R. Urbaniak MD. – Discussion: – regional fasciectomy is the most commonly performed procedure … Read more
– See: Intrinsic Muscles of the Hand; – Origin: each from the 2 metacarpal bones between which it inserts; – Insertion: – superficial belly: – inserts onto the lateral tubercle at the base of the proximal phalanx (proximal phalanges of 2nd, 3rd, and 4th digits) to function as … Read more
– See: Plantar Muscles of the Foot: Origin: there are 4 dorsal interossei which arise by double pennate fibers from the bases and sides of the bodies of adjacent bones. Insertion: base of the proximal phalanx and aponeurosis of the tendons of the Extensor digitorum longus. The first dorsal interosseus (arising from the 1st an … Read more
– See: brachial plexus – Anatomy: – dorsal scapular nerve to both rhomboids is typically derived from C5 neve close to intervertebral foramen and runs downward and backward thru or across surface of middle scalene, parallel to & below accessory nerve; – it then passes medial to or thru levator scapulae (to which … Read more
div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”>hr size=”3″/> – See Compartments: a href=”/muscles-tendons/extensor-tunnel-i/”>I/a>, a href=”/bones/hand/extensor-carpi-radialis-longus/”>II/a>, a href=”/bones/hand/extensor-pollicis-longus/”>III/a>, a href=”/muscles-tendons/extensor-digitorum-communis/”>IV/a>, a href=”/muscles-tendons/extensor-digiti-minimi-quniti/”>V/a>, a href=”/bones/extensor-carpi-ulnaris/”>VI/a> and a href=”/ortho/9430″>approach to the distal radius/a>;a href=”/ortho/anatomy_of_the_upper_limb_6″>img alt=”” align=”right” src=”/image4/armm9a.jpg”/>/a>br/> br/> strong>- Technique:/strong>br/> – straight dorsal incision centered over the wrist;br/> – because the skin is loose … Read more
– See: – Plating Techniques – Radial Shaft Fractures: Discussion – Discussion: – dorsolateral approach is best suited to frxs of proximal & middle thirds of radius as well as to address injury to proximal RU joint; – advantages: – … Read more
– Discussion: – w/ arm in external rotation, upper & lower borders of subscapularis can be visualized and palpated; – rotator cuff interval (soft spot) between supraspinatus & subscapularis is identified; – subscapularis tendon is tagged just shy of insertion; – subscapularis tendon and subajacent capsule are … Read more