排序方式: 共有49条查询结果,搜索用时 15 毫秒
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Maha Almarwani Jessie M. Van Swearingen Subashan Perera Patrick J. Sparto Jennifer S. Brach 《Journal of motor behavior》2019,51(1):25-31
Walk ratio, defined as step length divided by cadence, indicates the coordination of gait. During free walking, deviation from the preferential walk ratio may reveal abnormalities of walking patterns. The purpose of this study was to examine the impact of rhythmic auditory cueing (metronome) on the neuromotor control of gait at different walking speeds. Forty adults (mean age 26.6 ± 6.0 years) participated in the study. Gait characteristics were collected using a computerized walkway. In the preferred walking speed, there was no significant difference in walk ratio between uncued (walk ratio = .0064 ± .0007 m/steps/min) and metronome-cued walking (walk ratio = .0064 ± .0007 m/steps/min; p = .791). A higher value of walk ratio at the slower speed was observed with metronome-cued (walk ratio = .0071 ± .0008 m/steps/min) compared to uncued walking (walk ratio = .0068 ± .0007 m/steps/min; p < .001). The walk ratio was less at faster speed with metronome-cued (walk ratio = .0060 ± .0009 m/steps/min) compared to uncued walking (walk ratio = .0062 ± .0009 m/steps/min; p = .005). In healthy adults, the metronome cues may become an attentional demanding task, and thereby disrupt the spatial and temporal integration of gait at nonpreferred speeds. 相似文献
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Laura A. Novak MS MPS Jessica M. LaCroix PhD Kanchana U. Perera MSc Max Stivers MA Natasha A. Schvey PhD Jeffrey L. Goodie PhD ABPP Cara Olsen PhD Tracy Sbrocco PhD David B. Goldston PhD Alyssa Soumoff MD Jennifer Weaver MD Marjan Ghahramanlou-Holloway PhD 《Suicide & life-threatening behavior》2023,53(1):75-88
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Body Mass Index Is an Important Predictor for Suicide: Results from a Systematic Review and Meta‐Analysis
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Stefan Perera BSc Rebecca B. Eisen BHSc Brittany B. Dennis PhD Monica Bawor PhD Meha Bhatt BSc Neera Bhatnagar MLIS Lehana Thabane PhD Russell de Souza ScD RD Zainab Samaan MBChB MRCPsych PhD 《Suicide & life-threatening behavior》2016,46(6):697-736
Public health concerns for the independent management of obesity and suicidal behavior are rising. Emerging evidence suggests body weight plays an important role in quantifying the risk of suicide. In light of these findings, we aimed to clarify the association between body mass index (BMI) and suicidal behavior by systematically reviewing and evaluating the literature. Studies were identified by searching MEDLINE, EMBASE, PsycINFO, and CINAHL from inception to January 2015, supplemented by hand and grey literature searches. Study screening, data extraction, and risk of bias assessment were conducted in duplicate. We included 38 observational studies. Meta‐analyses supported an inverse association between BMI and completed suicide. Pooled summary estimates demonstrated that underweight was significantly associated with an increased risk of completed suicide (HR = 1.21, 95% CI 1.07 to 1.36, p = .002), and obesity (HR = 0.71, 95% CI 0.56 to 0.89, p = .003) and overweight (HR = 0.78, 95% CI 0.75 to 0.82, p < .0001) were significantly associated with a decreased risk of completed suicide relative to normal weight. A qualitative summary of the literature demonstrated conflicting evidence regarding the association between BMI and attempted suicide and revealed no association between BMI and suicidal ideation. BMI may be used to aid the assessment of suicide risk, especially that of completed suicide. However, unmeasured confounders and systematic biases of individual studies limit the quality of evidence. 相似文献
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Sylvia Brinton Perera 《Psychological Perspectives》2013,56(1):38-58
I am all for walking in two worlds at once since we are gifted with two legs. C. G. Jung Letters, Vol. 2, para. 459 相似文献
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