– See: – operative considerations for hip dyplasia – acetabular component revision – Discussion: – restoration of the normal hip center in acetabular reconstruction encourages restoration of normal biomechanics; – medial placement: – moving hip center medially improves efficiency of … Read more
Discussion overuse syndrome or tendinosis involving the region of the lateral humeral epicondyle; most often the origin of the ECRB displays an abnormal vascular proliferation and focal hyaline degeneration; ref: Anatomic Factors Related to the Cause of Tennis Elbow EDC may also be involved in some cases; ref: The role of the extensor digitorum communis … 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
– Discussion: – congenital clubfoot is a structural foot deformity that is present at birth; – there is in utero malalignment of the talocalcaneal, talonavicular and calcaneocuboid joints; – articular malalignments are fixed by contracted joint capsules, ligaments, and contracted foot and ankle tendons; – may be … Read more
– See: Juvenile Rheumatoid Arthritis – Discussion: – characterized by high fever, rash, lymphadenopathy, and polyarthritis; – usually appears at 5-10 years of age; – least common type of JRA: < 20 % of patients. – Clinical Presentation: – acute onset, often accompanied by a sore throat … Read more
Discussion affects periarticular soft tissues resulting in joint laxity with secondary dysfunction; minimal synovitis – articular cartilage is preserved; Raynaud’s phenomenon is common; diagnosis depends on positive F ANA test along with three other criteria: swollen joints nephritis pericarditis severe rash references: The 1982 revised criteria for the classification of systemic lupus erythematosus. Updating the American … Read more
– See: – Bursae of the knee: – Pigmented Villonodular synovitis – Discussion: – synovial cavity is deepest layer of joint capsule & it often has several embryological invaginations called plica that persist into adult life; – these may cuase anterior knee symptoms, – although synovium membrane is attached all around, above to articular margins … Read more
– See: syndesmotic sprain – Anatomy: – syndesmosis is made up of anterior-inferior tibiofibular ligament, interosseous ligament, and posterior-inferior fibular ligaments, inferior transverse tibiofibular ligament, and interosseous ligament; – these stabilize the mortise by opposing the fibula in the fibular notch (incisura fibularis tibiae); – section of the anterior tibiofibular ligament results in diastasis of … Read more
– See: – Phalangeal Injury – Thumb Swan Neck Deformity – Transverse Retinacular Ligament – Discussion: – deformity involves hyperextension of PIP Joint w/ flexion of DIP joint; – deformity may start at either the PIP or DIP; – at PIP joint, there … Read more
(1) full passive movement of the PIP Joint; – functional loss in these pts is related to loss of DIP joint extension; – consider flexor synovectomy, intrinsic release, FDS tenodesis, dermadesis, retinacular ligament reconstruction or DIP arthrodesis (to correct primary mallet finger deformity); (2) restriction of PIP flexion depending on MCP position … Read more