Cow's milk as a post-exercise recovery drink: implications for performance and health

Abstract

Post-exercise recovery is a multi-facetted process that will vary depending on the nature of the exercise, the time between exercise sessions and the goals of the exerciser. From a nutritional perspective, the main considerations are: (1) optimisation of muscle protein turnover; (2) glycogen resynthesis; (3) rehydration; (4) management of muscle soreness; (5) appropriate management of energy balance. Milk is approximately isotonic (osmolality of 280–290?mosmol/kg), and the mixture of high quality protein, carbohydrate, water and micronutrients (particularly sodium) make it uniquely suitable as a post-exercise recovery drink in many exercise scenarios. Research has shown that ingestion of milk post-exercise has the potential to beneficially impact both acute recovery and chronic training adaptation. Milk augments post-exercise muscle protein synthesis and rehydration, can contribute to post-exercise glycogen resynthesis, and attenuates post-exercise muscle soreness/function losses. For these aspects of recovery, milk is at least comparable and often out performs most commercially available recovery drinks, but is available at a fraction of the cost, making it a cheap and easy option to facilitate post-exercise recovery. Milk ingestion post-exercise has also been shown to attenuate subsequent energy intake and may lead to more favourable body composition changes with exercise training. This means that those exercising for weight management purposes might be able to beneficially influence post-exercise recovery, whilst maintaining the energy deficit created by exercise.     

Gender ratio in dyslexia

This paper is based on a study carried out in Great Britain on a national sample of 11,804 ten-year olds. The first section describes an attempt to pick out cases of “specific developmental dyslexia” (Critchley 1970), a constellation or syndrome of difficulties which some believe to be recognizable clinically. When specified criteria for dyslexia were used, 269 children qualified as dyslexic (2.28 percent of the sample). These included 223 boys and 46 girls, for a ratio of 4.51 to 1. Two possible difficulties in interpreting these data are discussed, and a defense is offered of the criteria used. Since some recent research papers report a gender ratio much nearer 1:1 (Shaywitz et al. 1990; Wadsworth et al. 1992; Lubs et al. 1993), those papers were examined for possible differences in procedure; it was found that the definition of dyslexia they used was “poor reading in relation to intelligence.” We carried out a further analysis on our own data using the same criterion. Of the 494 children who qualified as dyslexic on the basis of discrepancy criteria alone (4.19 percent of the sample), 314 were boys and 180 were girls for a ratio of 1.69 to 1. It seems, therefore, that the apparent differences in gender ratio reported in the literature have arisen because different criteria for dyslexia have been used. We argue that the definition based on clinical criteria leads to a more powerful taxonomy and that the widespread equation of “dyslexia” with “poor reading” is a hindrance to progress.     

Practitioner-centred research and the Ph.D.

This paper is about Ph.Ds, practitioner-centred research and action learning. The aim of this paper is to help develop a framework for those completing doctorates based on action learning. The paper explores relationships between the personal learning of action learning participants and the public knowledge associated with conventional research. It concludes that the new professional doctorates based on action learning offer a way of integrating evidence-based practice with practice-based evidence.     

Book reviews

The Fiscal Administration of City School Systems. By J. R. Mcgaughy. A report reviewed and presented by the Educational Finance Inquiry Commission under the auspices of the American Council on Education, Washington, D. C. New York: Macmillan Co., 1924.

Child Accounting. By A. B. Moehlman (University of Michigan). Detroit: Courtis Standard Tests, 1924. Pp. 205. Price, $1.85.

Principles of Teaching Practically Applied. By Ruby Minor. Boston: Houghton Mifflin Co., 1924. Pp. xiii + 281. Price, $1.90.

Sex, for Parents and Teachers. By William Leland Stowell. New York: Macmillan Co., 1924. Pp. xx + 204. Price, $1.50.

The Child, His Nature and His Needs. Edited by M. V. O'Shea. Valparaiso, Ind.: The Children's Foundation, 1924. Pp. xi + 516.

Measuring Intelligence. By H. C. Hines (University of Washington). Boston: Houghton Mifflin Co., 1924. Pp. xii + 146. Price, $1.20.     

5x5x5=Creativity: Art as a Transformative Practice

The purpose of this article is to share ideas from 5x5x5=creativity, a research initiative established in Bath (UK) in 2000, with the aim of developing and embedding a creative and reflective pedagogy in schools and early years settings. 5x5x5=creativity research, in partnership with schools, educators, artists, creative professionals, mentors and cultural centres, aims to raise the aspirations and improve the life chances of children and young people as creative learners. In our research we want to develop creative reflective practice and influence systemic educational change. This research defends the special role of the arts in developing a more flexible concept of education through curiosity and creativity, together with the capacity for the arts for allows ‘possibility thinking’ through a creative and critical pedagogy. In this article we analyse the impact of the artists’ involvement on the development of a creative, reflective pedagogy in schools. As both artists and educators we believe it is necessary to challenge current orthodoxies and establish creative and critical thinking at the heart of learning for both children and adults.     

Developing a postgraduate work-based curriculum using an Intervention Mapping Approach

Advanced practitioner skill development has become an important focus in health service delivery as increasingly complex consumer needs, practice environments and national professional registration requirements impact on professional work practices. Increasingly, work-based or workplace learning experiences are being seen as an effective means for maintaining skill currency across working lives. Currently there is limited literature on pedagogical practices to support the educational and training requirements associated with development across a person's working life. This paper reports on an example of how an intervention mapping framework was used to guide the development, implementation and evaluation of a work-based praxis course for students in an interprofessional, online postgraduate mental health programme. The intervention mapping framework provided a stepped process to guide decision-making and allowed the incorporation of theory and evidence into the course design. This approach provided a stepped process to guide decision-making and allowed the incorporation of theory and evidence into the course design. While the use of the intervention mapping framework is often used within health promotion arenas, particularly for the effective design of health promotion educational programmes, it is argued that this framework can be utilised effectively when developing curriculum for use within higher education programmes.