BACKGROUND Recommendations for bone tunnel placement during anterior cruciate ligament (ACL) reconstruction have become more precise. However, these recommendations differ neither with the choice of graft nor with the method of fixation used. The influence of the method of femoral fixation used on the biomechanical function of a soft tissue ACL graft remains unknown. HYPOTHESIS Our null hypot...

BACKGROUND The use of robotic technology to harvest grafts in a follicular unit extraction (FUE) hair transplant procedure has been available since 2011. A new capability of the robotic system is to harvest follicular units based on the number of hairs they contain to increase the hair/wound yield. OBJECTIVE To assess the benefit of follicular unit graft selection during a robotic FUE procedu...

INTRODUCTION Preoperative identification of patients with inadequate hamstring grafts for anterior cruciate ligament reconstruction is still a subject of interest. PURPOSE The purpose of this study was to determine whether the semitendinosus tendon length is adequate for four-strand graft harvested by common technique (without bone plug) and whether there is correlation of gracilis and semite...

INTRODUCTION Interference screws used in fixation of anterior cruciate ligament (ACL) hamstring grafts create mechanical hold by forcing the graft into frictional contact with the bone tunnel. We analyzed the resultant graft-tunnel contact pressure using an in vitro model of human cadaver 8mm hamstring grafts. METHODS Contact characteristics were assessed using both pressure sensitive films a...

Results of the surgical reconstruction of the anterior cruciate ligament (ACL), using as a graft fourfold hamstring tendons (gracilis and semitendinosus) and middle third of the patellar ligament, were compared. In all patients that were participating in this study clinical examination and magnetic resonance showed ACL rupture, and apart from the choice of the graft, surgical technique was iden...

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The gracilis and semitendinosus tendons remain popular grafts for many reconstructive procedures, including anterior cruciate ligament reconstruction. Surgeons who use other grafts for ACL reconstruction should have the hamstring tendon techniques in their arsenal in the event other grafts are unavailable or undesirable. Detailed knowledge of the anatomy of the medial side of the knee is paramo...