The effect of a carbohydrate mouth rinse on performance of the yo-yo intermittent recovery level 1 test with female university level hockey players

It has been suggested that carbohydrate mouth rinse (CHO-MR) effects short duration, high intensity exercise by activation of sensory receptors on the tongue (Carter et al., 2004: Medicine and Science in Sports and Exercise, 36, 2107–2111). Research has predominately focused on the effects of CHO-MR on the performance of cycling and running time trials (Painelli et al., 2010: Nutritional Journal, 9, 1-4). Limited research has been conducted on the effectiveness of a CHO-MR on intermittent high-intensity field-based sports performance. The aim of this study was to analyse the effects of a CHO mouth rinse on performance of the Yo-yo Intermittent Recovery Level 1 Test (IR1T) with female University standard hockey players. Following ethical approval, twelve members (mean age 20 ± 0.98 years, stature 167 ± 7.09 cm, and body mass 64.7 ± 4.96 kg) of the University of Lincoln’s female 1st team volunteered for the study. The study used a single-blind counter-balanced design with repeated measures on two treatment conditions: 1) a CHO-MR, and 2) a placebo mouth rinse (PL-MR). Participants were instructed to maintain a normal diet and fasted for 12hr prior to testing. After a familiarisation test, twelve participants completed the IR1T twice, one week apart; rinsing with either a CHO-MR or PL-MR. Administration occurred before (20min prior) the IR1T and during the 10s active recovery periods, at intervals (IV) which corresponded to five level increments in speed (IV1-13.5km/h, IV2-14km/h, IV3-14.5km/h, IV4-15km/h, IV5-15km/h). At these points, rate of perceived exertion (RPE) was recorded using the traditional Borg scale. Total distance (m) achieved was recorded as the performance measure. A dependent t-test did not detect any performance improvement (P = >0.05) between CHO-MR (1060 ± 273m) and PL-MR (1127 ± 402m) trials. Multiple dependent t-tests revealed that at the first IV (SL 12.1), RPE scores were significantly different (P = 0.006) between CHO-MR (10.9 ± 0.79) and PL-MR (11.4 ± 1.08) trials. No differences were detected between CHO-MR and PL-MR trials during the rest of the protocol (IV2-5, all P = >0.05). A CHO-MR had no effect on IR1T test performance with female university level hockey players compared to a PL-MR. The participants did not experience any differences in the feeling of exertion between the two conditions as the IR1T progressed. Further research needs to illuminate any possible performance effects from CHO-MR with intermittent high intensity activity, revealing any plausible physiological mechanisms of action

Exploring the possibilities of transforming Indian cuisine: findings from the Healthy Takeaways project in Lincolnshire (Part I)

ABSTRAC

Consumer segmentation with Indian cuisine and acceptability of healthier options: findings from the Healthy Takeaways project in Lincolnshire (Part II)

ABSTRAC

An evaluation of the success of the ‘Heart-Fit’ phase IV cardiac rehabilitation programme in Newark, Nottinghamshire: a mixed-method approach

Cardiovascular disease (CVD) is the most common cause of death in England and Wales, with cardiac rehabilitation being one of the best examples of long term condition management for CVD patients (Pluss et al., 2011: Clinical Rehabilitation, 25, 79-87). Phase IV cardiac rehabilitation involves the long term maintenance of health in the form of exercise programmes, such as ‘Heart-Fit’. It has been recommended that mixed methods are required to evaluate CVD prevention programmes (National Institute for Health and Clinical Excellence, 2010), therefore this case study aimed to evaluate the success of a phase IV cardiac rehabilitation programme, both qualitatively and quantitatively, outlining the impact on participants. After ethical clearance from an institutional committee, eleven members (age = 71.2, stature = 1.71m, weight = 79.8kg) of the programme (male = 6, female = 5) volunteered to take part in the study. For eligibility purposes, participants attended the programme once a week. Physical measurements of blood pressure (BP), resting heart rate (RHR), Body Mass Index (BMI) were recorded before and after a twelve week intervention period. Both physical activity levels and smoking status were also recorded by a lifestyle questionnaire. Two focus groups (n = 6 & 5) were held to gain participant perceptions on their experiences relating to the performance of the programme. Paired-sample t-tests indicated statistically significant differences (P = 0.05) pre and post intervention. Using a process of thematic analysis, participants revealed six main themes as being important factors during the 12-week programme. These included the instructor’s influence, the social nature of the group, the availability of clinical observation, psychological development and the perceived beneficial physical improvements made. The CVD risk factors influenced by the programme, in accordance to past literature, were systolic and diastolic BP and BMI. Similar themes have been identified in studies that have evaluated the effectiveness of other exercise referral schemes. Qualitative data collection should be considered alongside quantitative measures in evaluations of similar interventions. Future phase IV cardiac rehabilitation programmes need to gain a greater insight into the patient experience. This will enable health planners and policy makers to generate a sense of context on how these programmes operate at local levels and develop models of best-practice

A qualitative evaluation of a regional obesity prevention programme

ABSTRAC

A qualitative exploration of social motivational influences in determining the physical activity of 30–60 year old adults

Introduction: Adults over 60–65 years old are a group considered vulnerable to the risks of sedentary lifestyle causing decreased quality of life and poor health. Australian government figures estimate the number of over 65s will reach 8.1 million by 2056, and 11.2 million by 2101. One key opportunity to prevent sedentary lifestyles in older adults is to understand and promote motivation towards physical activity in middle-aged adults. This study qualitatively examined the motivationally relevant behaviours (‘motivational atmosphere’) of key social agents towards physical activity and sedentary lifestyles in adults between 30 and 60 years of age. Methodology: Twenty participants (32–60 years old) of varying activity levels were recruited from local workplaces and a GP referral scheme. Participants took part in semi-structured interviews to examine which social agents affected their motivation towards PA and how/why. A critical rationalist philosophy was deployed in the gathering and analysis of data. Results: Using inductive content analysis, 307 raw themes were coded into 38 categories and five higher dimensions, labelled: (1) providing information and impetus; (2) supporting progress and competence; (3) affiliation and belongingness; (4) logistical considerations; and (5) emotional support. Spouses, close family, work colleagues, GPs and the media were perceived to be highly influential social agents, with many others listed (e.g., personal trainers, local government). Whilst spouses, family and work colleagues influenced motivation through ‘leading-by-example’, ‘reminding/persuading’ and ‘support/encouragement’, GPs and the media were more likely to exert an influence by offering advice, guidance and recommendations, or in some cases ‘sounding-the-alarm-bell’. The consistency of messages from these different agents (media, health professionals, friends/family) was also noted as a key determinant of attitudes and actions. Whilst health was often central to participants’ responses, social interactions and friendships were also key reasons people gave for becoming or staying active (and for being sedentary). Further, there was preliminary evidence that the sources and types of influence changed as a function of current activity level. Conclusion: The results facilitate future interventions by suggesting specific behavioural recommendations in relation to known social agents, as well as guiding theoretical development/ refinement. The findings suggest that interventions should encompass psychological and social as-well-as health considerations, and that health professionals must understand the ‘motivational atmosphere’ of each client. Finally, the findings suggest that future research and modelling should adopt methodologies that better address the complexity inherent in the social determination of motivation

The effects of a field-based high intensity sprint interval training protocol on measures of obesity in sedentary young adults

High intensity sprint interval training (SIT) proposes an effective and feasible exercise alternative for sedentary individuals. Reductions in body weight alongside improvements in body composition are apparent following SIT (Macpherson, 2011). Laboratory-based protocols involving specialist procedures are typically utilized to administer SIT (Whyte, Gill and Cathcart, 2010). Thus the aim of this study was to determine whether similar benefits accrue from a field-based adaptation of the typical SIT protocols. This study used a two group experimental design. After ethical approval, a sample of eight sedentary men (n=3) and women (n=5) (age: 21.9±4.8 years; height: 168.3±10.6cm; weight: 69.6±17.7kg) were randomly assigned to four weeks of SIT (n=4) or a control (n=4) group. Both groups reported to the laboratory at baseline and post-intervention for measurement of anthropometric, body composition and fasting blood variables relating to obesity. Following baseline the SIT group completed four exercise sessions consisting of 4-6 repeated 30s bouts of sprint running interspersed by 4:30min recovery periods. The control group were requested to maintain sedentary behaviour. It was hypothesised that SIT will induce beneficial changes to the variables measured, whilst no change is expected within the control group. Data will be analysed using a two way mixed-design ANOVA to identify any effects and interactions (between factors) on the dependent variables it statistical significance set at P <0.05. If interactions are apparent a brief field-based SIT protocol could be considered as a practical and suitable intervention for advocating to this age group for public health and obesity prevention

Platform for Health and Wellbeing pilot study: provision of weight management support via the workplace

Introduction: The role of the workplace as an opportunity for improving health has been highlighted in recent reports. The East Midlands Platform for Health and Wellbeing is a network of private, public and voluntary sector organisations working to improve health and reduce obesity. Member organisations commit to undertake actions to improve health and wellbeing of employees, individuals and/or communities. As part of Slimming World’s commitment, this pilot assessed the merits of providing weight management support via the workplace at two large regional employers. Methods: 278 British Gas and Nottingham University Hospitals NHS Trust employees were offered 12 weeks’ support at either a bespoke workplace group or established community-based Slimming World group. Weight change was recorded weekly. Dietary and physical activity behaviours, along with aspects of psychological health were assessed by questionnaire pre and post-programme. Results: 121 employees (meeting inclusion criteria) joined a workplace-based group and 114 a community-based group. Weight and attendance: Mean joining BMI was 32.4kg/m2. 138 (59%) participants completed the programme (attended within final 4 weeks).Behaviour changes: Participants who completed both questionnaires (n=87), reported positive changes in dietary and physical activity behaviours (all p<.001) (figure 1), and psychological health (mental wellbeing, self-worth and self-esteem, all p<0.05). There were no significant differences between worksite and community intervention groups for any outcomes. Conclusion: Providing weight management support via the workplace significantly reduced weight of participants (-3.9%). Completer analysis also revealed positive changes in healthy eating habits and activity levels, and also importantly psychological health, which may impact on working life. The Slimming World programme works effectively within both the work setting and via community-based provision when employees are recruited via the workplace

The importance of parents and teachers as stakeholders in school-based healthy eating programs

Schools have a crucial role for promoting and establishing healthy behaviors early in the life-course. In recent years, a substantial effort and resources have been invested in attempts to change the 'food culture' in schools in westernized societies. Large school-based programs which promote healthy eating often utilize an ecological model for instigating behavior change amongst school children. An ecological model is a set of comprehensive intervention strategies that target a multitude of factors which influence the eating practices of children in the school setting. The cultural issues that necessitate these healthy eating programs mean that interventions are not without challenges to their application and effectiveness particularly as they rely on collaboration between stakeholders: teachers, parents, public health practitioners, policy makers and more. The stakeholder input and relations are key parts of planning, implementing and evaluating complex health promotion and education programs in schools. This commentary will outline the importance of considering both teachers and parents as influencing agents or 'enablers' in the process of creating change in this context. Parental perceptions and teachers’ insights are critical for underpinning intervention feasibility, acceptability and performance. Their perceptions and understandings can provide ground-level and highly applicable expertise and importantly motivate children in the school environment. The philosophical principles behind parent and teacher integration into formal program evaluation are discussed, providing a theoretical basis for program evaluation. Recommendations are made for policy makers, researchers and professional evaluation experts’ to consider and integrate these stakeholders in future programs

Commentary on: "Implementing a Mediterranean-Style Diet Outside the Mediterranean Region".

Letter to the editor