– See: – Excursion, of Tendons – Thumb Deformities in Rheumatoid Arthritis – Thumb Soft Tissue Defects – Flexor Pollicis Longus – Extensor Pollicis Longus – Tendon Sheath Anatomy: – A1 pulley: spans the MP joint, approximately 8 mm in width; … Read more
– See: – Architecture – Tendons of Hand – Extensor Tendon Injuries – Excursion, of Tendons – Flexor Tendon Repair: – Zone I Injuries – Zone II injuries … Read more
– see forearm compartment syndrome; – Discussion: – see forearm flexors – in forearm, both volar & dorsal compartments must be relieved by two incisions placed at 180 deg to each other; – release of volar compartment may quell elevated dorsal compartment; – on volar surface, lacertus fibrosis (proximally) & … Read more
– Tarsal Tunnel Syndrome: – compression syndrome of the tibial nerve in the tarsal tunnel; – tarsal tunnel is formed by the flexor retinaculum behind and distal to the medial malleolus; – inciting causes: – lipoma, ganglia, or neoplasms within the tarsal tunnel; – an accessory flexor digitorum longus muscle is a common cause; – … Read more
– See: Tarsal Coalition – Discussion: – talocalcaneal coalitions are characteristically on medial side of sub-talar joint; – coalition tends to ossify between 12 and 15 years; – although coalition between calcaneus & talus may occur in any of three facets, middle facet is most commonly involved; … Read more
– Anatomy: – C-8 & T-1 anterior nerve roots convey preganglionic sympathetic fibers for innervation of head & neck to corresponding spinal nerves, from which they pass to ganglionated sympathetic chain; – further laterally these 2 spinal nerves acquire bulk of postganglionic fibers for the hand … Read more
– Engaging the Nail Jig: – position the insertion block on to the proximal end of the nail; – position insertion handle onto insertion block so it will be medial to tibia for nail insertion and precise placement of proximal locking; – note that the proximal nail tip … Read more
– See: Myelodysplasia: – Discussion: – syringomyelia is a condition in which tubular cavity, or syrinx, in central area of spinal cord gradually expands leading to progressive myelopathy; – it is associated w/ disturbed hydrodynamics of cervical spinal fluid w/ or w/o associated obstruction at the cranial cervical junction; … Read more
– See: Acrosyndactyly; – Discussion: – failure of differentiation of the tisses between the fingers at 5th-8th week of intrauterine life (see limb development); – most common in the middle and ring fingers; – syndactyly (webbing or fusion of two or more digits), a result of failure of … Read more