نتایج جستجو برای: 4 flexibility
تعداد نتایج: 1368417 فیلتر نتایج به سال:
the effects of anterior discectomy and interposition al implant upon lumbar motion segment stability
the cadaver spine motion segment behavior under torsional load was evaluated with the disc intact, with partial anterior discectomy and with spacer insertion. the results of this study explain how anterior lumbar discectomy and interbody fusion (alif) affects the torsional stability of the motion segment. the pseudarthrosis rate of the anterior lumbar discectomy and interbody fusion (alif) is k...
[Purpose] The purpose of this study was to investigate how a stretching torque affects muscular contractures. [Subjects] The subjects of this study were 48 male Wistar rats. [Methods] Subjects were divided into 4 groups as follows: Group 1 was the control; Group 2 had muscles in continuous fixation; Group 3 had muscles stretched in the direction of dorsiflexion by a spring balancer set at a tor...
Abstract Although UN peace operations began with unarmed observer missions in 1948–1949, the first armed force—the Emergency Force ( UNEF )—was deployed 1956 due to Suez crisis. Scholars and practitioners have since interpreted Secretariat’s 1958 study of that experience, called Summary Study , as a foundational text history peacekeeping because it supposedly codified key principles impartialit...
There are non–vanishing price responses across different stocks in correlated financial markets. We further study this issue by performing different averages, which identify active and passive cross– responses. The two average cross–responses show different characteristic dependences on the time lag. The passive cross–response exhibits a shorter response period with sizeable volatilities, while...
A new approach is presented for determining the rigid regions in proteins and the flexible joints between them. The short-range forces in proteins are modeled as constraints and we use a recently developed formalism from graph theory to analyze flexibility in the bond network. Forces included in the analysis are the covalent bond-stretching and bond-bending forces, salt bridges, and hydrogen bo...
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