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New arthroscopy study findings reported from T.L. Johnston and co-authors.(Report)
According to recent research from the United States, "The purpose of this study was to examine the relationship between the size of cam lesions and the presence of cartilage damage, labral damage, or changes in range of motion in the hips with signs and symptoms of femoroacetabular impingement (FAI). Cross-table lateral radiographs were available for 102 consecutive patients presenting with signs and symptoms of FAI."
"Radiographs with excessive external rotation, dysplasia, severe arthritis, avascular necrosis, or Legg-Calve-Perthes syndrome were excluded, leaving 82 patients available for analysis (47 men, 35 women; average age, 25 yr [range, 12 to 55 yr]). Offset angle alpha was measured from the films with a digital goniometer. Patients subsequently underwent hip arthroscopy and the surgical findings and hip range of motion were prospectively recorded. Higher offset angle alpha was associated with the presence of acetabular rim chondral defects (P = .044) and full-thickness delamination of the acetabular cartilage (P = .034). Patients with detachment of the base of the labrum had a higher offset angle alpha (P = .016). Higher offset angle alpha was related to male sex (P = .001) and decreased range of motion (P
The researchers concluded: "Level of Evidence: Level II, ...
- Research conducted at S. Panzer and co-researchers has updated our knowledge...
- Newspaper article from: Science Letter September 16, 2008 700+ words
...indicator for cam FAI, we used the angle alpha, describing the anterior femoral head...located in the inferior portion. The angle alpha was significantly larger by 10% in...presence of HPs and a high value of angle alpha." Panzer and colleagues published...
- The lateral reaction of a deformable inclined surface on a wheel with an...
- Magazine article from: American Journal of Applied Sciences Fayyad, Sayel M. Abu-Ein, Suleiman Momani, Waleed May 1, 2009 700+ words
...with the horizontal plane The corner angle [alpha]' (corner angle of a cross inclination...in Fig. 1 and 2. Hence, the corner angle [alpha]' of an inclination of a lateral component...rigidity the corner of an inclination angle [alpha]' of lateral making vertical loading...
- Researchers from University of Giessen detail findings in veterinary research.
- Newspaper article from: Veterinary Week October 19, 2009 700+ words
...K = clot formation time; alpha = angle alpha; MA = maximal amplitude; G-value...as follows: R = 1.8-8.6 min; angle alpha = 36.9-74.6 degrees; K = 1...Coefficients of variation for R, K, angle alpha, MA, and G were 7.6%, 17.7...
- Studies from K.K. Zabello and co-researchers in the area of technical physics...
- Newspaper article from: Electronics Newsweekly July 29, 2009 700+ words
...variation of the amplitude of magnetic induction vector B and angle alpha between this vector and the normal to the cathode surface...material. The magnetic field dependence is appreciable only when angle alpha exceeds some critical value alpha* (alpha* a parts per...
- Surface Structure of Isotactic Polypropylene by X-Ray Diffraction.(Brief...
- Magazine article from: Polymer Engineering and Science NISHINO, TAKASHI MATSUMOTO, TAKAYUKI NAKAMAE, KATSUHIKO February 1, 2000 700+ words
...illustration for the geometry of X-ray diffraction. When the angle [alpha] of the incident X-ray beams decreases, so that the reflective...less than unity, total reflection occurs below the critical angle [[alpha].sub.c] of the X-rays, and diffracted and scattered...
- Patent No.7,590,313 Issued on Sept. 15, Assigned to U.S.A. Administrator of the...
- News wire article from: US Fed News Service, Including US State News September 18, 2009 700+ words
...circumference of the optical resonator and being separated by an arc angle, .alpha.. The method includes adjusting relative phase between the...second fields into an output. Particular selection of the arc angle, .alpha., and the differential phase, .beta., can determine...
- Publication No. WO/2009/104975 Published on Aug. 27, German Inventor Develops...
- News wire article from: US Fed News Service, Including US State News August 31, 2009 700+ words
...trapezium groove, with slides situated oblique at an acute angle alpha in relation to longitudinal symmetry axis of a cap of a container...a protrusion, with longitudinal slide edges, forming an angle alpha with longitudinal symmetry axis of a holder. Whereas slides...
- A KA-BAND PLANAR PRINTED ANTIPODAL LINEARLY-TAPERED SLOT ANTENNA.
- Magazine article from: Microwave Journal TSAI, MENG-CHUNG CHUANG, HUEY-RU July 1, 2001 700+ words
...from a feeding microstrip line and gradually flares with an angle [alpha]. The bottom metallization consists of a ground plane of...the symmetrical side of the top metallization with the same angle [alpha]. The arcs with radius [r.sub.1] on the top and bottom...
