This article presents a case of a large inferior patellar osteophyte, which developed after patellar tendon autograft anterior cruciate ligament (ACL) reconstruction. This extensive osteophyte formed a neo-articulation with the tibial plateau and contributed to arthrofibrosis, patellar baja, and patellar pain. This is an extremely unusual complication following patellar tendon harvesting for AC...

Luxation is relatively infrequent in bovine species because cattle generally have bulky muscle and strong periarticular ligaments and tendons, but cases do occur owing to sudden abnormal stresses in some joints [1]. One of the common sites is the coxofemoral joint, which has anatomic configurations that predispose to luxation. The relatively small head of the femur, minimal attachment of the fe...

La luxation de l'épaule, est définie par une perte de contact totale et permanente de la tête humérale avec la cavité glénoïde de la scapula, se produisant au décours d'un traumatisme. C'est une des urgences en chirurgie orthopédique dans le sens où l'intervention doit intervenir rapidement. D'une part pour le risque de compression d'éléments nobles, mais aussi pour l'avenir de l'articulation (...

OBJECTIVES To identify the major causes and types of dental luxation and avulsion injuries, and their associated factors in primary school children in Hong Kong. DESIGN Case series. SETTING School dental clinic, New Territories, Hong Kong. PATIENTS The dental records of children with a history of dental luxation and/or avulsion injury between November 2005 and October 2012 were reviewed. ...

La luxation erecta est une lésion rare, elle est encore plus rare quand elle est bilatérale. Nous rapportons un cas de luxation erecta bilatérale chez un sportif victime d’une chute lors d’une séance de gymnastique. Le patient s’est présenté aux urgences avec une attitude d’abduction irréductible des deux épaules, l’examen vasculo-nerveux était normal. La radiographie a confirmé le diagnostic d...

Among patients that underwent total knee arthroplasty from June, 1990 to January, 1999, 61 cases (44 patients) that could be followed for more than 10 years were included in this study. The patients were divided into a patellar retention group and a patellar resurfacing group, and were compared with regard to their clinical and radiological outcomes. In patients undergoing primary TKA, a select...

The etiology of patellar tendinopathy (jumper's knee) has been attributed to a significant increase in patellar tendon torques associated with jumping. While some investigators have suggested that patellar tendon torques are greater during takeoff, little is known about the relative magnitudes of patellar tendon torques during takeoff and landing. We hypothesized that peak patellar tendon torqu...

BACKGROUND Patellar crepitus may occur with posterior-stabilized (PS) TKAs. Several studies have suggested numerous etiologies of patellar crepitus after PS-TKA with patellar resurfacing. However, it is unclear whether and to what degree crepitus influences pain and function without or with patellar resurfacing. QUESTIONS/PURPOSES We therefore determined (1) the frequency of crepitus; (2) whi...

Accuracy of a novel fluoroscopy-based method of assessing patellar tracking was determined by comparing the pattern of patellar motion with respect to orientation (flexion, internal rotation, and lateral tilt) and translation (lateral, proximal, and anterior) with the pattern of patellar motion measured using Roentgen Stereophotogrammetric Analysis (RSA) in one cadaver knee specimen. Each pose ...

background: patellar mal tracking is responsible for pain and disability in patellofemoral pain syndrome (pfps). patellar kinesio taping may have different effects on short and long term usage. the aim of this study is to compare the effect of short term and long term patellar kinesio taping in patellar position on women with patellofemoral pain syndrome using magnetic resonance imaging (mri). ...