title: Tips of the Trade #12. Protection of the extensor mechanism insertion during total knee replacement.
abstract: Two tips are presented that should help make avulsion of the infrapatellar ligament unlikely in two settings in which this serious complication is common: knee replacement in obese patients and total knee revisions.
authors.affiliation: Orthopaedic Specialist Ltd., Richmond, Virginia.
authors.forename: R L
authors.initials: RL
authors.lastname: Worland
authors.forename: D E
authors.initials: DE
authors.lastname: Jessup
mesh_terms: D006801:Humans; D007720:Knee Prosthesis; D008023:Ligaments, Articular / Q000601:surgery*; D008722:Methods