The Hip - book

Anterior Dislocations of Hip

– Discussion:     – see frx dislocations of the hip     – comprise 10-15% of traumatic dislocations of hip;     – occur when knee strikes dashboard w/ thigh abducted, falls from ht, or from a blow to the back of pt while in squatted position;     – neck of femur or greater trochanter impinges … Read more

Anterior Drawer Test

– Discussion: – Anterior Talofibular ligament is the primary restraint in anterior drawer test; – testing of ankle in 10 deg of plantar flexion results in greatest amount of translation, although one cadaveric study showed that maximum anterior excursion occurs in dorsiflexion; – injury of the calcaneofibular lig does not increase amount of the anterior drawer; … Read more

Anterior Facet of Subtalar Joint

Discussion anterior facet articulates w/ head of talus; concave in shape and usually located just lateral to the middle facet; anterior and middle facets are often congruent; Radiology slightly concave, frequently is confluent w/ the middle one; lateral oblique view: demonstrates anterior process of calcaneus and the anterior facet of sub-talar joint

Anterior Cord Syndrome

– Discussion: – damage is primarily in the anterior 2/3 of cord, and is related to vascular insufficiency (see blood supply to the spinal cord); – there is sparing the posterior columns (position sense, proprioception, and vibratory sensation); – CT scans may demonstrate bony frags compressing anterior spinal cord; – Clinical Findings: – syndrome is … Read more

Anterior Cruciate Ligament Anterolateral Ligament: Let’s Stick to the Facts!

Anterior Cruciate Ligament ‐ Anterolateral Ligament: Let’s Stick to the Facts! – Discussion:     – anatomy of ACL     – biomechanics of ACL     – epidemiology_of_ACL_injuries     – mechanism: ACL Tear     – natural history of the ACL-deficient knee     – partial ACL injury     – pediatric ACL injuries – Evaluation … Read more

Anterior Cruciate Ligament

– Extra-articular Reconstruction: – these type of procedures are now no longer used as the primary reconstructive method for ACL tears; – some authors feel that the extra-articular reconstruction may have a role in augmenting the intra-articular reconstruction; – references: – Biomechanics of intra-articular and extra-articular reconstruction of the anterior cruciate ligament. – The effect … Read more

Pediatric Anterior Cruciate Ligament Injury

– See: intercondylar eminence frx; – Discussion:     – pediatric ACL injuries  – Transphyseal ACL reconstruction:      – references:                – Transepiphysial fixation of anterior cruciate avulsion in a child. Report of a complication and review of the literature.                – Transepiphyseal Replacement of the Anterior Cruciate Ligament in Skeletally Immature Patients. A preliminary … Read more