نتایج جستجو برای: humeral trans
تعداد نتایج: 71658 فیلتر نتایج به سال:
BACKGROUND The purpose of this study was to evaluate the biomechanical advantages of medial support screws (MSSs) in the locking proximal humeral plate for treating proximal humerus fractures. METHODS Thirty synthetic left humeri were randomly divided into 3 subgroups to establish two-part surgical neck fracture models of proximal humerus. All fractures were fixed with a locking proximal hume...
Fractures of the proximal humerus are common and the treatment for both displaced and comminuted variants remains controversial. Treatment options initially consisted of closed reduction, traction, casting, and abduction splints. In the early 1930s, operative treatment for displaced fractures gained popularity, which continued in the 1940s and 1950s. Humeral head replacement for severely displa...
OBJECTIVE To describe medial humeral epicondylitis in cats based on radiographic, anatomic, and histologic observations. STUDY DESIGN Prospective cohort study. ANIMALS Feline cadavers (n = 60). METHODS Extended craniocaudal, and extended and flexed mediolateral radiographic projections were taken of both elbows of 60 consecutive European shorthair cats that died or were euthanatized. Elbo...
Background: Treatment of humeral shaft fractures has been a subject of debate for many decades. Even though a large majority of humeral shaft fractures can be treated by non operative methods, few conditions like open fractures, polytrauma, ipsilateral humeral shaft and forearm fractures require surgical intervention. The goal of treatment of humeral shaft fractures is to establish union with a...
Stemless shoulder arthroplasty with metaphyseal fixation of the humeral component is increasingly used in the treatment of primary or secondary osteoarthritis, achieving significant pain relief and improving both range of motion and patient satisfaction [1, 4, 6]. The majoradvantagesof the stemlesshumeral design are preservation of humeral bone stock, anatomical reconstruction regardless of hum...
PURPOSE The aim of the present study was to investigate whether coracoacromial arch angle is a predisposing factor for rotator cuff tears. METHODS Shoulder magnetic resonance imaging (MRI) examinations of 40 patients having shoulder arthroscopy due to rotator cuff tears and 28 patients with normal MRI findings were evaluated retrospectively. Acromio-humeral distance, coraco-humeral distance, ...
OBJECTIVE The aim of this study was to measure the capability of a triaxial accelerometer (Virtual Corset) to collect humeral elevation angles and exposure parameters in a simulated occupational environment. BACKGROUND There is a need for an economical ambulatory device to estimate elevation angles and exposure parameters in occupational groups. METHOD A magnetic tracking device was used to...
Despite its importance for the understanding of joint mechanics in healthy subjects and patients, there has been no three-dimensional (3D) in vivo data on the translation of the humeral head relative to the glenoid during abduction under controlled mechanical loading. The objective was therefore to analyze humeral head translation during passive and active elevation by applying an open MR techn...
OBJECTIVES To compare the risk of major complications after either minimally invasive plate osteosynthesis (MIPO) or intramedullary nailing (IMN) of humeral shaft fractures. DESIGN Retrospective, case-match controlled study. SETTING A major metropolitan tertiary referral trauma center in Australia. PATIENTS Thirty patients with fractures of the humeral shaft. INTERVENTION Either MIPO or...
The throwing shoulder in pitchers frequently exhibits a paradox of glenohumeral joint motion, in which excessive external rotation is present at the expense of decreased internal rotation. The object of this study was to determine the role of humeral head retroversion in relation to increased glenohumeral external rotation. Glenohumeral joint range of motion and laxity along with humeral head a...
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