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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

21 Icons: 21 Years of Freedom Collection at the University of the Free State

2015-09-02

In Prayer and Protest - Sophia Williams De Bruyn

The Johannes Stegmann Art Gallery, in partnership with 21 Icons, is hosting the 21 Years of Freedom Collection, an exhibition specially curated for the University of the Free State.
21 Icons celebrates a heroic past and inspires a hopeful future. The project was launched in 2013 as an initiative that uses film, photography and written narrative to celebrate the lives of extraordinary South Africans. It highlights people who have been catalysts in shaping society, on a local or global level and across a variety of contexts: in a social, political, environmental or artistic sense.

It is the brainchild of internationally renowned photographer and filmmaker Adrian Steirn, whose primary source of inspiration was the life of Nelson Mandela. In one way or another, all of the men and women featured in the project have extended his legacy, making a magnificent impact on South Africa and beyond.

Beautiful Sacrifice - Albie Sachs

21 Years of Freedom features 21 icons from the first and second seasons of the project. It includes the last official photographic portrait of Nelson Mandela and many of his friends and fellow struggle heroes. Behind each portrait lies a carefully planned concept that captures the essence of each icon, capturing their spirit and distinct legacy.

Among the other extraordinary South Africans featured in this collection, are struggle icons Ahmed Kathrada and Advocate George Bizos, Archbishop Desmond Tutu, human rights and environmental activist Kumi Naidoo, celebrated storyteller Gcina Mhlophe, Nobel laureate Nadine Gordimer, activist and musician Yvonne Chaka Chaka, gender activist Sophia Williams De Bruyn and artist William Kentridge.

The Full Report - Zubeida Jaffer

The 21 Icons was created as a movement for positive change. By sharing the stories of iconic South African men and women, the intention is to inspire new generations to follow in their footsteps. With the country celebrating 21 years of democracy but still grabbling with injustices, the message that everyone can do something to make a difference, is portrayed in these powerful and inspiring stories.

Writer-in-residence and well-respected journalist, Zubeida Jaffer, who features among the collection of 21 striking photographs, opened the exhibition saying, “I feel like I’m surrounded by a circle of energy from which I have been fortunate to draw strength …It’s a choice that we make…whether to draw energy from those who are positive and forward looking or to surround ourselves with people who are fearful. There is a lot to be fearful about in our country. We have lived through very fearful and difficult times. But to cope with these times, those people and many others have kept their focus on hope. They have kept their focus on what is possible…and what we would like South Africa to be in the future.”

For more information on 21 Icons: 21 Years of Freedom Collection contact the Johannes Stegmann Art Gallery at +27 (0)51 401 2706 or dejesusav@ufs.ac.za

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