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Johnson BA Macwilliams B Carey JC Viskochil DH D'Astous JL Stevenson DA 《Human movement science》2012,31(1):247-254
The purpose of this study was to (1) extend the research findings of decreased muscular force production in grip strength to the lower extremity strength of children with NF1 and (2) to determine if there was a relationship between isometric strength and functional activities in children with NF1. Force production was assessed using a hand held dynamometer (HHD) and a functional task (hopping and jumping) on a force plate. Data from twenty-six children with NF1 were compared to data from 48 typically developing children of similar sex, weight and height. Children with NF1 demonstrated statistically significant lower force production with HHD (p<0.01) during hip extension, but similar force production for knee extension and ankle plantar flexion compared to the control group. A relationship existed between the ground reaction forces at take-off from both hopping and jumping and the force generated from knee extensor strength in the NF1 group. The addition of a functional task to hand held dynamometry is useful for determining a relationship between common clinical measures and functional activities. 相似文献
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The semantics and ontology of dispositions 总被引:3,自引:0,他引:3
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Douglas Gray MD Hilary Coon PhD Erin McGlade PhD William B. Callor BS Josh Byrd BS Joseph Viskochil MEd Amanda Bakian PhD Deborah Yurgelun‐Todd PhD Todd Grey MD William M. McMahon MD 《Suicide & life-threatening behavior》2014,44(3):304-316
Suicide determination is not standardized across medical examiners, and many suspected suicides are later classified as accidental or undetermined. The present study investigated patterns between these three groups using a medical examiner database and 633 structured interviews with next of kin. There were similarities across all three classification groups, including rates of mental illness and psychiatric symptoms. Those classified suicide were more likely to be male, to have died in a violent fashion, and have a stronger family history of suicide. Chronic pain was very common across all three groups, but significantly higher in the accidental and undetermined groups. 相似文献
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