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25 January 2024 | Story Leonie Bolleurs | Photo Sonia Small
Prof Corinna Walsh
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

Kovsie student to participate in G8 2013 Summit
2013-06-06

A Kovsie student is heading to London to attend the June G8 2013 Youth Summit. Tumelo Moreri is part of a chosen few who will walk among world class leaders as a delegate of the African Union.

The summit provides a platform for young leaders where they are able to collectively voice their opinions. It also gives them the opportunity to gain valuable insights on international diplomacy in order to tackle 21st century challenges head on.

The African Union delegation, of which Tumelo is part, includes representatives from the Democratic Republic of Congo, Botswana, Kenya, South Africa, Nigeria and Zimbabwe. It consists of a Head of Government, Sherpa, Press Secretary, Minister of Trade and Industry, Minister of Finance, Minister of Justice, Minister of Foreign Affairs, Minister of Energy and Climate Change, Minister of Development, and Minister of Defence. They are responsible for developing and negotiating position papers with regards to the various ministerial positions.

Tumelo Moreri is a co-founder of Tomorrow’s Leaders Today in her home country, Botswana. She is currently the International Affairs Officer of the Student Representative Council (SRC) at the Bloemfontein Campus. “The highlight for me is the fact that I am representing Africa. Africa’s voice will get to be heard through us,” says Moreri. “I see this as a huge opportunity to strive to make a contribution towards Africa and finding solutions unique to her problems. This will be a stepping stone to effecting change. This learning curve will shape and influence global discourse.”

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