Patients with acute anterior cruciate ligament (ACL) rupture frequently present with a lack of full extension. Current literature is unclear whether arthroscopic debridement is necessary before reconstruction to achieve full extension postoperatively. This study examined the postoperative extension achieved in 153 knees that underwent ACL reconstruction within 12 weeks of index injury. All pati...

The fitting of short above-knee stumps with an immediate postsurgical prosthesis in our experience originally required the use of a balsa wood or styrofoam extension block between the distal cast-socket and the socket attachment plate. This was necessary in order to place the effective prosthetic knee center in a more functional anatomical position corresponding to that of the sound side. Locat...

Properties of the hybrid of block-pulse functions and Lagrange polynomials based on the Legendre-Gauss-type points are investigated and utilized to define the composite interpolation operator as an extension of the well-known Legendre interpolation operator. The uniqueness and interpolating properties are discussed and the corresponding differentiation matrix is also introduced. The appl...

BACKGROUND The purpose of this article is to report the efficacy of the extension block pinning and additional intrafocal pinning technique applied to cases whose mallet fractures were not reduced with extension block pinning alone. METHODS We retrospectively reviewed 14 digits with 14 patients who were treated with the extension block pinning and additional intrafocal pinning technique. Ther...

In this short note we deal with the problem of trajectory tracking control of fully actuated Euler-Lagrange systems with unmeasurable velocities and bounded control inputs. In order to avoid the use of velocity measurements we introduce a nonlinear dynamic extension for the plant which renders the closed loop system semi-globally asymptotically stable, hence we prove that by increasing some of ...

Editorial: It’s Never Good-bye to Marketing Science Eric T. Bradlow 963 The Sealed-Bid Abstraction in Online Auctions Robert Zeithammer and Christopher Adams 964 Commentary: Bidders’ Experience and Learning in Online Auctions: Issues and Implications Kannan Srinivasan and Xin Wang 988 Commentary: Do Bids Equal Values on eBay? Ali Hortaçsu and Eric R. Nielsen 994 Rejoinder: Causes and Implicatio...

BACKGROUND Despite recent advancements in rheumatoid arthritis (RA) pharmacotherapy, surgeons still encounter severely damaged knees. The purpose of the present study was to analyze the mid-term clinical results of total knee arthroplasty (TKA) with metal block augmentation and stem extension. METHODS A total of 26 knees in 21 patients who underwent primary TKA with metal block augmentation a...