The Hip book

Anterior Oblique Bundle of the MCL

– Discussion:      – strong and well-defined, arise from antero-inferior surface of medial epicondyle and inserts at the sublimis tubercle, adjacent to the joint              surface;      – primary constraint to valgus instability;             – in flexion, MCL provides 54% of valgus stability;             … Read more

Anterior Pelvic Injuries: Open Surgical Approach w/ Plates

  – See: Anterior Plate Fixation Methods – Indications:     – open book pelvis injury w/ greater than a 2.5 cm pubic diastasis;     – note that fixation of pubic rami fractures can be much more complex than the fixation of a             simple diastasis;     – controversies:             – posterior injury and need for … Read more

Anterior Impingement Syndrome of the Ankle

    – Bony Impingement:     – pts who have persistent pain in anterior aspect of ankle & who have anterior tibiotalar spur evident on a lateral roentgenogram need additional diagnostic evaluation and management;     – extreme dorsiflexion required by the demiplie position in ballet can lead to impingement of anterior lip of … 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

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