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Monday, May 18, 2020 | History

2 edition of X-ray diffraction studies of the posterior cruciate ligament. found in the catalog.

X-ray diffraction studies of the posterior cruciate ligament.

Alice Louise Redhead

X-ray diffraction studies of the posterior cruciate ligament.

by Alice Louise Redhead

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Published by University of Manchester in Manchester .
Written in


Edition Notes

Manchester thesis (M.Sc.), Faculty of Medicine.

ContributionsUniversity of Manchester. Faculty of Medicine.
The Physical Object
Pagination99p.
Number of Pages99
ID Numbers
Open LibraryOL16572125M

anteroposterior [an″ter-o-pos-tēr´e-or] directed from the front toward the back. anteroposterior (AP), (an'ter-ō-pos-tēr'ē-or), 1. Relating to both front and rear. 2. In x-ray imaging, describing the direction of the beam through the patient (projection) from anterior to posterior, for example, an A-P projection of the abdomen; or the. Cadaveric studies have shown that the posterior cruciate ligament (PCL) is an important constraint to posterior translation of the tibia. Arthroscopic studies have shown that chronic PCL injuries.

Dogs with partial tears of the cranial cruciate ligament and dogs with chronic cranial cruciate ligament injury will tend to have less cranial drawer than the “normal” dog with a cranial cruciate injury. It is imperative to compare the drawer of one stifle to the opposite stifle. The second manual test is termed cranial tibial thrust.   Ossification in the posterior longitudinal ligament (PLL) correlates with changes of enthesis during the early stages of development, but this issue remains controversial, as little is known regarding the details of this process. The aim of the present study was to elucidate part of the ossification mechanism. Thus, in the present study, we observed and evaluated minute ossifications in the Cited by: 4.

  This cadaveric study aimed to demonstrate variation of the anterior cruciate ligament (ACL) tibial attachment in the sagittal plane, and to analyze the radiographic landmarks which predict the sagittal location of the ACL tibial attachment. In 20 cadaveric knees, native ACLs were removed and the centers of the ACL tibial and femoral attachments were marked with metal : Hyung Joon Cho, Tae Kyun Kim, Seung-Baik Kang, Min Uk Do, Chong Bum Chang. Knee X-ray and MRI befor and after arthroscopic surgery for Anterior cruciate ligament injury panoramic x-ray of a mouth, with intact wisdom teeth: Panoramic radiography, also called panoramic x-ray, is a two-dimensional dental x-ray examination that captures the entire mouth in a single image, including the teeth, upper and lower jaws.


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X-ray diffraction studies of the posterior cruciate ligament by Alice Louise Redhead Download PDF EPUB FB2

Introduction. The anterior cruciate ligament (ACL) is the most frequently injured knee ligament, and is one of the structures most commonly injured in to the fact that it does not heal naturally, the standard treatment for a ruptured ACL is surgical reconstruction2; to which there are several approaches, the most common being patellar tendon (PT) and hamstring tendon autograft.

Posterior cruciate ligament tears account for ~10% (range %) of all knee injuries 2. Clinical presentation.

Sports injuries and car accidents (dashboard injury) are equally responsible for these injuries 1. Many patients will be asymptomatic and their clinical examination is unremarkable. However, some patients may have knee instability. The posterior cruciate ligament (PCL) is one of the two cruciate ligaments that stabilize the knee joint.

The PCL attaches to the posterior intercondylar area and passes anterosuperiorly to insert into the lateral surface of the medial femoral condyle.

When the knee is in extension, it makes an almost 90º turn as it passes anterosuperiorly. Found just posterior to Blumensaat’s line, it is associated with an anterior cruciate ligament tear if greater than mm deep. The terminal sulcus or lateral notch is a normal depression on Cited by: 2.

Frontal radiographs of the knee which reveal a small fleck of bone adjacent to the lateral aspect of the lateral tibial plateau. This "lateral capsular sign" is a simple radiographic finding visible on the routine AP knee x-ray, which indicates severe lateral capsular injury and should alert the examiner to the possibility of ACL tear.

The fleck of bone represents an avulsion of the. Knee Ligament Injuries - X-ray What Are X-rays. An X-ray is a diagnostic test X-ray diffraction studies of the posterior cruciate ligament. book uses invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs onto film.

X-rays use invisible electromagnetic energy beams to produce images. Radiographic Evidence of Anterior Cruciate Ligament Insufficiency Joseph Brunkhorst, DO; Darren L. Johnson, MD A knee injury is a com-mon reason an individual will present to a physician for evaluation.

It is the joint most commonly associated with sports-related injuries. How-ever, the same mechanisms that cause knee injuries duringFile Size: KB. THE x-ray diffraction patterns obtained from the fibrous proteins usually are characteristic fiber patterns but differ widely from each other in degree of perfection, depending upon the nature and relative proportions of the different amino acids of which the protein is built by: al ligament, popliteus complex or posterolateral capsule) are sectioned.2,5,8 The posterior cruciate ligament helps to facilitate femoral rollback of the femur during flexion.2,9 Kumagai et aland Davis et alfound that in the intact knee the femur translates posteriorly with respect to the tibia on average mm over the entire flexion range.

When R value was between andthe associated injuries of articular capsule and posterior cruciate ligament were found in 7 patients, actual injuries were found in 8 patients. CONCLUSION: Using the specific value as the standard of measurement can provide the quantizatily fractionation of the medial collateral ligament : Zhang Lj, Chen Jl, Xu Y, Zhu Sb.

Posterior cruciate ligament (PCL) is a strong band of tissue and with the anterior cruciate ligament (ACL), the main stabilizer of the knee joint in the sagittal plane [31]. The incidence of PCL. How to Take and Interpret Radiographs of the Equine Stifle David A.

Wilson, DVM, MS, Diplomate ACVS nial cruciate ligament; CauCr, caudal cruciate ligament; Po, ori- The x-ray beam should be directed horizontally, cen-tered on the femorotibial joint, caudal and distal toFile Size: 2MB.

This article provides a review of anterior cruciate ligament (ACL) reconstruction procedures and their normal postoperative appearance.

Then, we review commonly encountered complications: those associated with decreased range of motion (impingement, arthrofibrosis, intraarticular bodies, ganglion cysts) and those associated with laxity (graft Cited by: Introduction. The anterior cruciate ligament (ACL) is a primary brake to anterior dislocation of the tibia.

Sectioning this ligament is a necessary but sufficient condition to observe an increase in anterior tibial translation, and medial displacement of the center of rotation, disturbing the knee's biomechanics and kinematics. This results in increased, dangerous loading for other components Cited by: Posterior cruciate ligament injuries in the athlete: diagnosis and treatment.

Bull NYU Hosp Jt Dis. ;67(1) Laoruengthana A, Jarusriwanna A. Sensitivity and specificity of magnetic resonance imaging for knee injury and clinical application for the Naresuan University Hospital. X-Ray Diffraction (XRD) is a non-destructive, analytical technique which is used to analyze the mineral composition or internal structure of naturally existing or manufactured crystalline materials in detail.

Presented at the Tenth Annual Meeting of the Society for Investigative Dermatology, June 11–12,at Atlantic City, N.J. * From the Departments of Dermatology and of Physiology, University of Illinois, Chicago Professional by: 8. Imaging of Anterior Cruciate Ligament Repair and Its Complications Arthur B.

Meyers1 Andrew H. Haims Kirsten Menn Hicham Moukaddam Meyers AB, Haims AH, Menn K, Moukaddam H 1All authors: Department of Diagnostic Radiology, Yale University School of Medicine, Cedar St., New Haven, CT Address correspondence to. An anterior cruciate ligament (ACL) injury is a partial or complete tear of the ACL.

The ACL is a ligament in your knee that connects the tibia (shin bone) to the femur (thigh bone). Ligaments are strong tissues that connect bones together. The ACL stops the tibia from. The standing AP x-ray will give an indication of the presence of degenerative disease within the knee and also an indication of the alignment of the knee joint.

The 45° flexed PA standing view of the knee is a much more sensitive x-ray showing early degenerative disease in the position of function. This view also allows accurate definition of. Posterior cruciate ligament (PCL) injuries are less common than other knee injuries and may result in a spectrum of symptoms and disability.

The predictive factors that may determine which patients with isolated PCL lesions will develop knee pain and degenerative arthritis have yet to be identified.The sample position is determined experimentally to within 0.

in. X-ray diffraction measurements made with molybdenum radiation are presented for liquid argon at [degrees]C for the densities, and gm/[cubic centimeter].Author: Wallace Irving Honeywell.spinal ligament injuries in stress X-rays.

Results. The board-certified radiologist’s reports of the selected X-ray. studies showed no studies having significant amounts of spinal instability indicative of spinal ligament injuries. No findings of abnormal joint play were found and no .