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951.
Jones GR Jakobi JM Taylor AW Petrella RJ Vandervoort AA 《Journal of aging and physical activity》2006,14(4):439-455
Community-based rehabilitative exercise programs might be an effective means to improve functional outcomes for hip-fracture patients. The purpose of this study was to evaluate the effectiveness of a community exercise program (CEP) for older adults recovering from hip fracture. Twenty-five older adults (mean age 80.0 +/- 6.0 years; 24 women; 71 +/- 23 days post-hip fracture) participated in this pilot study (17 exercise, 8 control). The CEP involved functional stepping and lower extremity-strengthening exercises. Control participants received only standard outpatient therapy. Measures of functional mobility, balance confidence, falls efficacy, lower extremity strength, and daily physical activity were evaluated at baseline and at 16 weeks. Improvements for self-reported physical activity, mobility, balance, and knee-extensor strength were observed for the CEP group. This study demonstrated that a CEP is beneficial for community-dwelling older adults post-hip fracture. 相似文献
952.
Doldo NA Delmonico MJ Bailey JA Hand BD Kostek MC Rabon-Stith KM Menon KS Conway JM Carignan CR Hurley BF 《Journal of aging and physical activity》2006,14(4):411-422
To determine sex and race differences in muscle power per unit of muscle contraction, knee-extensor muscle power normalized for knee-extensor muscle volume was measured in 79 middle-aged and older adults (30 men and 49 women, age range 50-85 years). Results revealed that women displayed a 38% faster peak movement velocity than men and African Americans had a 14% lower peak movement velocity than Whites of a similar age when expressed per unit of involved muscle (p < .001). As expected, men exhibited greater knee-extensor strength and peak power per unit of muscle than women, but women had a faster knee- extension movement velocity per unit of muscle than men at the same relative strength level. Moreover, African Americans had greater knee-extensor muscle volume than Whites but exhibited lower knee-extensor strength and lower movement velocity per unit of muscle when tested at the same relative strength levels. 相似文献
953.
Vance DE Ball KK Roenker DL Wadley VG Edwards JD Cissell GM 《Journal of aging and physical activity》2006,14(3):254-269
Falls can impair health and reduce quality of life among older adults. Although many factors are related to falling, few analyses examine causal models of this behavior. In this study, factors associated with falling were explored simultaneously using structural-equation modeling. A variety of cognitive, physical-performance, and health measures were administered to 694 older adult drivers from the state of Maryland. The observed and latent variables of age, cognitive ability, physical functioning, health, and falling behavior were used to create a causal model. The model revealed that being older was associated with declines in cognition, and such cognitive declines predicted increased falling. Similarly, poorer health was related to poorer physical functioning, which, in turn, also predicted increased falling. This model indicates that in addition to existing fall-prevention interventions aimed at improving physical functioning, interventions to improve cognition and health might also be effective. It is speculated that fear of falling, which often results in reduced mobility among older adults, might account for the lack of a direct relationship between age and falling. This hypothesis should be examined in further research. 相似文献
954.
Rabenhorst MM 《Violence and victims》2006,21(4):473-481
Trauma survivors may experience harm from participating in research on sensitive topics. The current study assessed reactions of sexual assault survivors with and without symptoms of post-traumatic stress disorder (PTSD) immediately following an experimental thought suppression task and at a 2- to 4-week follow-up period, by asking open-ended questions regarding thoughts about the experiment, feelings following the experiment, and willingness to participate in similar experiments. At both time periods, most participants reported neutral/positive thoughts (e.g., "interesting") and feelings (e.g., "fine, good") and indicated that they would participate in a similar study. Findings suggest that the majority of sexual assault survivors were not harmed in the short- or long-term by participation in a thought suppression paradigm in which the target of suppression/expression was their own trauma. 相似文献
955.
This study examined vicarious trauma effects in male and female clinicians who treat sexual abuse survivors (n = 111) and sexual offenders (n = 272). The national survey was conducted using a random sample of clinical members of two professional organizations. Analyses tested the relationships between demographic variables, maltreatment history, client population served, and cognitions about trust of and intimacy with others, using the Trauma Stress Institute Belief Scale (TSIBS-R-L, Pearlman 2003), the Childhood Trauma Questionnaire (CTQ, Bernstein & Fink, 1998), and author-generated questions. Respondents reported high rates of multiple forms of childhood maltreatment; however there was no relationship between history of child sexual abuse and vicarious trauma effects. Scores for self-reported disruption in cognitions about intimacy with others exceeded norms for mental health professionals. Sequential regression analyses were used to examine theoretically-derived variables. Implications for practice and research are detailed. 相似文献
956.
Reneman MF Kuijer W Brouwer S 《Work (Reading, Mass.)》2006,26(2):229; author reply 231-229; author reply 233
957.
Mutations in the DJ-1 gene are associated with rare forms of autosomal recessive early-onset Parkinson's disease (PD). Although the precise physiological function of DJ-1 remains obscure, accumulating evidence suggests that DJ-1 may normally function as a redox-sensitive molecular chaperone that can protect against the deleterious effects of oxidative stress, particularly in mitochondria. Recent studies in the fruit fly, Drosophila melanogaster, have shed further light on the biological role of DJ-1. DJ-1-deficient Drosophila models exhibit distinct phenotypes but collectively highlight a prominent neuroprotective role for DJ-1 against oxidative insult. However, Drosophila lacking DJ-1 do not consistently produce a useful PD-like phenotype (that is, they generally fail to exhibit degeneration of neurons that contain the neurotransmitter dopamine), which may reflect putative compensatory neuroprotective mechanisms. DJ-1-deficient fly models further highlight the utility of Drosophila as an important tool for elucidating protein function and for modeling neurodegenerative disease. 相似文献
958.
959.
Andrea Maurer Peter Imbusch Dirk Baier Klaus Boehnke Manuela Pötschke Henning Best Annette von Alemann Birgit Riegraf Corinna Onnen-Isemann Juliane Achatz Peter H. Hartmann Nicole Burzan Markus Klein Jens Aderhold Gerd Nollmann Arnold Wilts Mike Steffen Schäfer Christoph Görg Alexandra Manzei Christian Stegbauer Horst Pöttker Günter Endruweit Heiner Meulemann Heinz Sahner Erhard Stölting Wolfgang Lauterbach 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2006,58(2):364-406
960.