Journal of Orthopaedic Research

Cover image for Vol. 34 Issue 9

Edited By: Linda J. Sandell

Impact Factor: 2.807

ISI Journal Citation Reports © Ranking: 2015: 9/74 (Orthopedics)

Online ISSN: 1554-527X

Featured

  • Quantitative in vivo biocompatibility of new ultralow-nickel cobalt–chromium–molybdenum alloys

    Quantitative in vivo biocompatibility of new ultralow‐nickel cobalt–chromium–molybdenum alloys

    Macroscopic findings of skin samples around implanted metal wires. Pure 1-mm Ni wire (A), 0.5-mm × 3 Ni wires (B), 0.5-mm Ni wire (C), conventional Co–Cr–Mo wire (D), ultralow-Ni Co–Cr–Mo wire (E), and ultralow-Ni Co–Cr–Mo with Zr wire (F) were implanted subcutaneously into the dorsal sides of mice. Sham controls were only pricked with a needle (G; N = 5/implant group). At 3 days after implantation, skin inflammation was analyzed photographically; scale bars indicate 2 mm in all images. Co, cobalt; Cr, chromium; Mo, molybdenum; Ni, nickel; Zr, zirconium.

  • Targeting formyl peptide receptor 1 of activated macrophages to monitor inflammation of experimental osteoarthritis in rat

    Targeting formyl peptide receptor 1 of activated macrophages to monitor inflammation of experimental osteoarthritis in rat

    Confocal microscopical observation of fluorescent peptide probe (red color in A) or macrophage activity (red color in B and C) double stained with nuclear fluorescent dye DAPI (blue color in A–C) in micro-slices from rat-inflamed synovial membranes induced by MIA. (A) Incubation of cFLFLF-PEG-Cy5 with a cross-section of the synovial membrane. (B) Trap staining of a cross-section close to that involved in (A). (C) Enlarged image of the selected field in (B). The results demonstrated that the peptide probe signal is highly localized in the inflamed area with strong macrophage activity within the membrane.

  • Differences in the vascular tree of the femoral trochlear growth cartilage at osteochondrosis-susceptible sites in foals revealed by SWI 3T MRI

    Differences in the vascular tree of the femoral trochlear growth cartilage at osteochondrosis‐susceptible sites in foals revealed by SWI 3T MRI

    3D EGC vascular architecture of the femoral trochlea. (A) Cranial 3D reconstruction of the 3T MRI SWI of the femoral trochlea illustrating its vascular architecture. The broken white lines correspond to the plane of the SWI images in panel on right. (B) 3T transverse SWI image of the proximal femoral trochlea revealing that the vessels are branching from an axial nutrient perichondrial vessel and coursing abaxially parallel to the straight metaphyseal ossification front. (C) 3T transverse SWI image of the middle trochlea showing the perpendicular vessels traversing the highly indented SOC and the perichondrial vessels seen within the abaxial LRT cartilage. (D) 3T transverse SWI image of the distal trochlea showing a less indented ossification front with mainly perpendicular vessels bridging into the subchondral bone. Key: 3T MRI SWI, 3 Tesla MRI susceptibility-weighted imaging. SOC, secondary ossification center.

  • High prevalence of cam deformity in dysplastic hips: A three-dimensional CT study

    High prevalence of cam deformity in dysplastic hips: A three‐dimensional CT study

    (A) An anteroposterior radiograph of the left hip in a 37-year-old woman before periacetabular osteotomy. There was no evident signs of osteoarthritis. We classified the hip into the pre/early group. (B) An anteroposterior radiograph of the left hip in a 31-year-old woman before periacetabular osteotomy. There was a small cyst in the acetabulum and moderate narrowing of the joint space. We classified the hip into the advanced group.

  • Lateral collateral ligament deficiency of the elbow joint: A modeling approach

    Lateral collateral ligament deficiency of the elbow joint: A modeling approach

    Elbow joint configuration at different flexion angles. Red arrows represent the ligament and contact force vectors.

  • Cadaveric gait simulation reproduces foot and ankle kinematics from population-specific inputs

    Cadaveric gait simulation reproduces foot and ankle kinematics from population‐specific inputs

    The cadaveric gait simulator leveraged a 6° of freedom robotic platform that moved a force plate about a fixed tibia while nine linear actuators applied prescribed loading profiles to the extrinsic tendons of the foot and ankle. Foot and ankle kinematics were quantified with an 8-camera motion capture system.

  • Quantitative in vivo biocompatibility of new ultralow‐nickel cobalt–chromium–molybdenum alloys
  • Targeting formyl peptide receptor 1 of activated macrophages to monitor inflammation of experimental osteoarthritis in rat
  • Differences in the vascular tree of the femoral trochlear growth cartilage at osteochondrosis‐susceptible sites in foals revealed by SWI 3T MRI
  • High prevalence of cam deformity in dysplastic hips: A three‐dimensional CT study
  • Lateral collateral ligament deficiency of the elbow joint: A modeling approach
  • Cadaveric gait simulation reproduces foot and ankle kinematics from population‐specific inputs

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ANNOUNCEMENT FOR THE CORR® ORS RICHARD A. BRAND AWARD FOR OUTSTANDING ORTHOPAEDIC RESEARCH
The Association of Bone and Joint Surgeons® and the Orthopaedic Research Society jointly sponsor the CORR® ORS Richard A. Brand Award for Outstanding Orthopaedic Research.

Featured Editor's Choice - Freely Available For A Limited Time!

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Emperor's new clothes: Is particle disease really infected particle disease?
Marcin K. Wasko and Stuart B. Goodman
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Quantitative in vivo biocompatibility of new ultralow-nickel cobalt–chromium–molybdenum alloys
Kazuaki Sonofuchi, Yoshihiro Hagiwara, Yuichiro Koizumi, Akihiko Chiba, Mitsuko Kawano, Masafumi Nakayama, Kouetsu Ogasawara, Yutaka Yabe and Eiji Itoi
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Fatigue toughness of irradiated vitamin E/UHMWPE blends
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Radiostereometric analysis using clinical radiographic views: Validation measuring total hip replacement wear
Xunhua Yuan, Kimberley Lam Tin Cheung, James L. Howard, Brent A. Lanting and Matthew G. Teeter
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Subject-specific modeling of muscle force and knee contact in total knee arthroplasty
Alessandro Navacchia, Paul J. Rullkoetter, Pascal Schütz, Renate B. List, Clare K. Fitzpatrick and Kevin B. Shelburne
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