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Infant body composition research revolutionised with new PEA POD® technology

25 January 2024 | Story Leonie Bolleurs | Photo Sonia Small

Prof Corinna Walsh says the PEA POD Infant Body Composition System works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

Nutritional and growth patterns during early life have been associated with health, development, and well-being throughout the life cycle. It is also associated with risks for developing obesity and non-communicable diseases, such as cardiometabolic diseases, later in life. These are the findings of Prof Corinna Walsh, Professor in the Department of Nutrition and Dietetics.

Maternal and child health

”In line with national priorities, a strong research focus area of the Faculty of Health Sciences and the School of Health and Rehabilitation Sciences is maternal and child health,” she says. She goes on to mention that the Department of Nutrition and Dietetics has established a reputable research programme. This programme focuses primarily on the nutritional status of pregnant women and how the early environment to which they are exposed during and after pregnancy affects short- and long-term health outcomes of the offspring.

“In our previous work, the assessment of birth outcomes of infants was, however, limited by the lack of equipment to analyse body composition. The research that we can conduct with the PEA POD® provides us with immense additional potential,” remarks Prof Walsh.

She explains, “The PEA POD Infant Body Composition System is an infant-sized air displacement plethysmography system. It works by directly measuring an infant’s body weight and volume, and then uses these measurements to calculate the body fat percentage, fat mass, and fat-free mass.

According to her, the assessment of body volume takes two minutes. “The PEA POD technique also does not require collection of any fluids and does not expose the infant to radiation. It can be performed as often as required without any risks and be used up to a maximum of 8-10 kg body weight, from birth to about eight months,” she says.

Advanced technology

In the context of research on infant body weight and composition, there is a need for accurate measurement techniques that can differentiate between fat mass and fat-free mass. Prof Walsh is of the opinion that traditional measures such as body mass index (BMI) and weight for length have limitations in this regard, as they do not provide a clear distinction between these components. Furthermore, BMI may not be reliable for assessing adiposity or obesity in paediatric populations, and it can vary significantly with age and gender.

Addressing these challenges, the PEA POD equipment offers advanced technology that allows for highly accurate quantification of infant body composition. This technological capability opens up opportunities to study the effects of early-life nutrition on growth and the developmental mechanisms that may lead to later comorbidities. So, when it comes to researching infant body weight and composition, the PEA POD equipment plays a crucial role in providing precise data and insights.

News Archive

UFS Faculty of Theology and Jonathan Edwards Centre at Yale University forge strategic partnership

2009-06-10

Prof. Francois Tolmie, Dean of the UFS’s Faculty of Theology.
Photo: Supplied

The Faculty of Theology at the University of the Free State (UFS) will establish a Jonathan Edwards Centre for Southern Africa, affiliated with the Jonathan Edwards Center at Yale University in New Haven in the United States of America.

This strategic partnership exemplifies the vision of the Faculty of Theology to be an internationally renowned theological and training faculty.

The UFS Jonathan Edwards Centre will serve as a research, education and publication hub for the study of Edwards and evangelical history and develop links with the international academic community.

Prof. Francois Tolmie, Dean of the Faculty of Theology at the UFS, said, “I welcome the plans to pay sustained critical attention to Edwards’s thought. Jonathan Edwards was an important American theologian, philosopher and more specifically America's greatest contributor to mission theology in Southern Africa.”

Dr Kenneth Minkema, Executive Director of the Jonathan Edwards Center at Yale University, adds: “The establishment of the Jonathan Edwards Center Southern Africa at the UFS in Bloemfontein is a significant expansion of Edwards scholarship and will serve widely both academia and the church.”

Jonathan Edwards (1703-1758), pastor, revivalist, Christian philosopher, missionary, and president of Princeton University, is widely regarded as North America’s greatest theologian. He is the subject of intense scholarly interest because of his significance as an historical figure and the profound legacy he left on America’s religious, political and intellectual landscapes.

In recent years, a rapidly growing interest in Edwards as theologian has brought the man and his writings onto the world stage, pressing beyond the popular and more parochial image of Edwards primarily as American preacher and American historic figure. Increasingly, his writings are being consulted by religious leaders, pastors, and churches around the world, spurred by a growing recognition of the fervency and universality of the Edwards message and the acumen with which he appraised religious experience.

This interest in Edwards globally has been fuelled in part by the work of the Jonathan Edwards Centre at Yale University, whose sole mission is to support inquiry into the life, writings, and legacy of Jonathan Edwards by providing resources that encourage critical appraisal of the historical importance and contemporary relevance of America’s premier theologian. The primary means to achieve this is with the The Works of Jonathan Edwards Online, a digital learning environment for research, education and publication that presents all of Edwards’s writings, along with helpful editorial materials that allow the reader to examine Edwards's thought in incredibly powerful, useful ways. The Works of Jonathan Edwards Online 2.0 is accessible through the Centre’s website at: www.edwards.yale.edu.

Media Release:
Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
E-mail: radebemt.stg@ufs.ac.za
10 June 2009

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