Zobrazeno 1 - 10
of 26
pro vyhledávání: '"David L. Churchill"'
Publikováno v:
Mechanical Systems and Signal Processing. 91:183-197
This paper presents a novel approach to monitoring rotor blade flap, lead-lag and pitch using an embedded gyroscope and symmetrically mounted MEMS accelerometers. The central hypothesis is that differential accelerometer measurements are proportional
Publikováno v:
Acupuncture in Medicine
Objectives The highly variable nature of acupuncture needling creates challenges to systematic research. The goal of this study was to test the feasibility of quantifying acupuncture needle manipulation using motion and force measurements. It was hyp
Publikováno v:
The Journal of Alternative and Complementary Medicine. 13:355-360
Although acupuncture-needle manipulation is an important component of acupuncture therapy, little information is currently available on whether or not specific types of needle manipulation produce different effects on the body. Bidirectional (back-an
Publikováno v:
Journal of Cellular Physiology. 207:767-774
Acupuncture needle rotation has been previously shown to cause specific mechanical stimulation of subcutaneous connective tissue. This study uses acupuncture to investigate the role of mechanotransduction-based mechanisms in mechanically-induced cyto
Publikováno v:
The Journal of Arthroplasty. 18:1048-1055
A laboratory-based study was performed to describe the tibial axis and patellar position relative to the femoral epicondylar (FE) axis during squatting. During the squat, the angle between the tibial and FE axes averaged 90.5 degrees, and 66% of inte
Autor:
Bruce D. Beynnon, David L. Churchill, Jonathan A. Uroskie, Michael R. Dayton, Stephen J. Incavo
Publikováno v:
Clinical Orthopaedics and Related Research. 405:39-45
Minimizing aseptic loosening of cemented femoral stems in total hip arthroplasty remains a goal. Recent investigation suggests that improved cement intrusion may result from elevated pressures shown to occur during stem placement into higher viscosit
Publikováno v:
Journal of Biomechanics. 35:517-521
The six-degrees-of-freedom elastic behavior of spinal motion segments can be approximated by a stiffness matrix. A method is described to measure this stiffness matrix directly with the motion segment held under physiological conditions of axial prel
Publikováno v:
The Journal of Arthroplasty. 16:909-918
Increasing femoral rollback in flexion is thought to reduce patellofemoral contact load in total knee arthroplasty (TKA). The objectives of this study were to quantify the dependence of patellar load on rollback and to assess the effectiveness of pos
Publikováno v:
The FASEB Journal. 15:2275-2282
The mechanism of action of acupuncture remains largely unknown. The reaction to acupuncture needling known as 'de qi', widely viewed as essential to the therapeutic effect of acupuncture, may be a key to understanding its mechanism of action. De qi i
Publikováno v:
The Journal of Arthroplasty. 15:871-876
Knee arthrodesis using an intramedullary nail has gained acceptance as treatment in difficult cases such as infection after total knee arthroplasty (TKA), neuropathic joint, and obesity. A retrospective review of 22 cases treated at our institution u