Anthropometric Tomographic Study of the Hip in a Brazilian Regional Population.

 The present study aimed to determine the average hip anthropometry of a regional Brazilian population using measurements based on computerized axial tomography (CAT).  Retrospective, descriptive analysis of hip measurements from 200 abdominal CATs from patients visiting a medical center. The tests were selected at random to determine 30 previously defined anthropometric measurements.

Evaluation of the Intraobserver and Interobserver Agreements of the New AO/OTA Classification for Fractures of the Trochanteric Region and the Femoral Neck.

 In the present study, we investigated the intra and interobserver agreement of the new Arbeitsgemeinschaft für Osteosynthesefragen/Orthopaedic Trauma Association (AO/OTA) classification for fractures of the proximal extremity of the femur.  One hundred hip radiographs were selected from patients who suffered fractures of the trochanteric region or femoral neck. Four orthopedists, fellowship trained hip surgeons, and four orthopedic residents evaluated and classified fractures according to the new AO/OTA system on two separate occasions.

Increased prevalence of femoroacetabular impingement on the elderly with fractures of the proximal femur.

Objectives: Femoroacetabular impingement (FAI) has been recently related to several pathologies, besides chondral injury and hip arthritis. We aim to investigate the prevalence of FAI morphology in an elderly cohort hospitalized due to a proximal femur fracture and compare these findings to a control group. We hypothesize that limited medial rotation due to FAI's morphology could increase stresses to the proximal femur, acting as a facilitating mechanism for fractures in this region.

Traumatic Avulsion of Gluteus Tendons Associated With Posterior Fracture-dislocation of the Femoral Head: A Case Report.

Case: We report the case of a patient who suffered traumatic avulsion of the gluteus medius and minimus tendons associated with posterior fracture-dislocation of the femoral head. The patient was treated with open reduction and internal fixation, followed by gluteus tenodesis with intraosseous anchors.

Conclusion: Although in isolation, gluteus medius or gluteus minimus tendons tear, hip dislocation, and head fractures are relatively common injuries; the concurrence of these lesions is noteworthy for its rarity.

Effects of nutritional supplementation with l-arginine on repair of injuries due to muscle strain: experimental study on rats.

Objective: To evaluate the influence of oral supplementation with arginine on regeneration of injuries due to straining of the anterior tibial muscle of rats.

Methods: Twenty-four Wistar rats of weight 492.5 ± 50.