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1.
BMC Med Educ ; 13: 12, 2013 Jan 29.
Artigo em Inglês | MEDLINE | ID: mdl-23360078

RESUMO

BACKGROUND: Students regard biological science as one of the most difficult components of the nursing curriculum. However, a good understanding of this area is essential for effective nursing practice. The aim of this study was to explore nursing students' perceptions of the usefulness of supplementary biology podcasts for their learning. METHODS: Biological science podcasts (n=9) were made available to first-year nursing students (n=189) as supplementary learning tools. On completion of their first year, students were asked to complete a survey which investigated the frequency of their podcast use, reasons for use and their perception of the usefulness of podcasts as a learning tool. 153 of these students participated in the survey study (80.9%). Two focus groups were conducted with students (n=6) to gain a detailed understanding of student experiences of the usefulness of the podcasts for their learning. RESULTS: Survey data demonstrated that most students (71%) accessed at least one podcast. The majority of students who reported accessing podcasts agreed that they were useful as learning tools (83%), revision aids (83%) and that they helped promote understanding of course materials (72%). Focus group participants discussed how they found podcasts especially useful in terms of revision. Students valued being able to repeatedly access the lecture materials, and appreciated having access to podcasts from a range of lecturers. Focus group members discussed the benefits of live recordings, in terms of valuing the information gleaned from questions asked during the lecture sessions, although there were concerns about the level of background noise in live recordings. Lack of awareness of the availability of podcasts was an issue raised by participants in both the survey component and the focus groups and this negatively impacted on podcast use. CONCLUSIONS: Nursing students found the availability of biology podcasts helpful for their learning. Successful implementation of these tools to support learning requires teaching staff to understand and promote the importance of these tools.


Assuntos
Biologia/educação , Educação em Enfermagem/métodos , Webcasts como Assunto , Adolescente , Adulto , Feminino , Grupos Focais , Humanos , Masculino , Estudantes de Enfermagem/psicologia , Inquéritos e Questionários , Adulto Jovem
2.
BMJ ; 339: b3170, 2009 Aug 18.
Artigo em Inglês | MEDLINE | ID: mdl-19690345

RESUMO

OBJECTIVE: To determine whether dietary intervention or knee strengthening exercise, or both, can reduce knee pain and improve knee function in overweight and obese adults in the community. DESIGN: Pragmatic factorial randomised controlled trial. SETTING: Five general practices in Nottingham. PARTICIPANTS: 389 men and women aged 45 and over with a body mass index (BMI) of > or = 28.0 and self reported knee pain. INTERVENTIONS: Participants were randomised to dietary intervention plus quadriceps strengthening exercises; dietary intervention alone; quadriceps strengthening exercises alone; advice leaflet only (control group). Dietary intervention consisted of individualised healthy eating advice that would reduce normal intake by 2.5 MJ (600 kcal) a day. Interventions were delivered at home visits over a two year period. MAIN OUTCOME MEASURES: The primary outcome was severity of knee pain scored with the Western Ontario McMaster (WOMAC) osteoarthritis index at 6, 12, and 24 months. Secondary outcomes (all at 24 months) included WOMAC knee physical function and stiffness scores and selected domains on the SF-36 and the hospital anxiety and depression index. RESULTS: 289 (74%) participants completed the trial. There was a significant reduction in knee pain in the knee exercise groups compared with those in the non-exercise groups at 24 months (percentage risk difference 11.61, 95% confidence interval 1.81% to 21.41%). The absolute effect size (0.25) was moderate. The number needed to treat to benefit from a > or = 30% improvement in knee pain at 24 months was 9 (5 to 55). In those randomised to knee exercise improvement in function was evident at 24 months (mean difference -3.64, -6.01 to -1.27). The mean difference in weight loss at 24 months in the dietary intervention group compared with no dietary intervention was 2.95 kg (1.44 to 4.46); for exercise versus no exercise the difference was 0.43 kg (-0.82 to 1.68). This difference in weight loss was not associated with improvement in knee pain or function but was associated with a reduction in depression (absolute effect size 0.19). CONCLUSIONS: A home based, self managed programme of simple knee strengthening exercises over a two year period can significantly reduce knee pain and improve knee function in overweight and obese people with knee pain. A moderate sustained weight loss is achievable with dietary intervention and is associated with reduced depression but is without apparent influence on pain or function. TRIAL REGISTRATION: Current Controlled Trials ISRCTN93206785.


Assuntos
Artralgia/terapia , Terapia por Exercício , Sobrepeso/terapia , Músculo Quadríceps/fisiologia , Idoso , Artralgia/dietoterapia , Índice de Massa Corporal , Feminino , Humanos , Articulação do Joelho , Masculino , Pessoa de Meia-Idade , Força Muscular/fisiologia , Obesidade/complicações , Obesidade/dietoterapia , Obesidade/terapia , Sobrepeso/complicações , Sobrepeso/dietoterapia , Resultado do Tratamento
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