OBJECTIVES The development of tibiofemoral angle in children has shown ethnic variations. However this data is unavailable for our population. METHODS We measured the tibiofemoral angle (TFA) and intercondylar and intermalleolar distances in 360 children aged between two and 18 years, dividing them into six interrupted age group intervals: two to three years; five to six years; eight to nine ...

terdependence of the hip and knee joints, the purpose of this clinical commentary is to discuss the biomechanical influences of abnormal hip mechanics on knee injury. This will be accomplished through a review of pertinent tibiofemoral and patellofemoral joint biomechanics, as well as the current literature in this area. In addition, the clinical implications of this information will be discussed.

The purpose of this study was to investigate in vivo three- dimensional tibiofemoral kinematics and femoral condylar motion in knees with anterior cruciate ligament (ACL) deficiency during a knee bend activity. Ten patients with unilateral ACL rupture were enrolled. Both the injured and contralateral normal knees were imaged using biplane radiography at extension and at 15°, 30°, 60°, 90°, and ...

This study was performed to identify the chronological changes of the knee angle or the tibiofemoral angles in normal healthy Korean children. Full-length anteroposterior view standing radiographs of 818 limbs of 452 Korean children were analyzed. The overall patterns of the chronological changes in the knee angle were similar to those described previously in western or Asian children, but the ...

BACKGROUND In this pilot study we wanted to evaluate the kinematics of a knee implanted with an artificial polycarbonate-urethane meniscus device, designed for medial meniscus replacement. The static kinematic behavior of the implant was compared to the natural medial meniscus of the non-operated knee. A second goal was to evaluate the motion pattern, the radial displacement and the deformation...

PURPOSE Center of plantar pressure (COPP) location moves toward the forefoot as ankle plantar flexor muscles attempt to maintain postural control during single leg stance. This study evaluated relationships between frontal plane tibiofemoral joint angulation during relaxed bilateral stance and mean COPP locations during vision-denied single leg stance at 20 degrees knee flexion. METHODS Fifty...

The knowledge of Anterior Cruciate Ligament (ACL) forces in-vivo is instrumental for understanding ACL injury mechanisms and for improvement of surgical ACL reconstruction. The goal of this thesis was to develop and implement a non-invasive method to determine the ACL forces under physiological loading using advanced imaging techniques combined with a robotic testing system. First, the in-vivo ...