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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

Kesa and Wayde biggest stars at KovsieSport Awards

2017-10-03

Description: 'Awards KovsieSport 2017 Tags: Awards KovsieSport 2017

Wayde van Niekerk was unable to attend the KovsieSport Awards.
Steven Swarts, his stepfather, received the award for KovsieSport
Senior Sportsman of the Year from Prof Francis Petersen (left),
Rector and Vice-Chancellor of the University of the Free State,
on his behalf.
Photo: Mlungisi Louw/Volksblad

It took Kesa Molotsane seven years of hard work and patience to excel, and all this time she has been a Kovsie. Unlike some other sporting greats, success didn’t come overnight for her.

The star athlete had an amazing year and was crowned KovsieSport Senior Sportswoman of the Year, while Wayde van Niekerk is the KovsieSport Senior Sportsman of the Year for a fifth consecutive time. The 400 m Olympic Champion surpassed the record held by himself and Franz Kruger for most successive sports awards for men (four), and equalled Kruger’s record (five) for the most men’s titles overall.

Blose and Chawane top juniors

The cream of the crop was honoured at the KovsieSport Awards, held in collaboration with the Volksblad Free State Sport Stars Awards, at Monte Bello in Bloemfontein on 27 September 2017.

Kwenzo Blose, who represented the South African U20 rugby team at the Junior World Cup, was named Junior Sportsman for a second consecutive year. The netball player Khanyisa Chawane is the KovsieSport Junior Sportswoman of the Year. She captained the South African U21 netball team at the World Youth Netball Champs.

The blind athlete Louzanne Coetzee and her guide Khothatso Mokone received a Special Award for Disabled Sport. Coetzee took part in the Paralympic Games and has set many records, such as in the 5 000 m (T11).

Hard work over many years

Molotsane competed at the World Cross-country Championships in Kampala, is the leader of the Spar Women’s Grand Prix 10 km series, and represented South Africa at the World Student Games. The Assistant Officer at KovsieSport says being the best female athlete is humbling.

“It took me long enough to get here and it needed a lot of work from my side over many years. I have been with Kovsies for, like, seven years and I am only getting this after so long.”
She also commended Karla and Tanya Mostert who was nominated with her. “Karla has been a motivation for little kids from primary school up until high school learners. She has always been there and knows what it means to really be a sport star.

“And her younger sister Tanya is the upcoming one. It is amazing to be on stage with both of them.”

KovsieSport Awards:
• Participants in World Student Games in Tapei: Arné Nel (tennis), Hendrik Maartens (athletics), Janke van der Vyver (badminton), Kesa Molotsane (athletics), Lienke de Kock (tennis), Maryke Brits (athletics), Rynardt van Rensburg (athletics), Tsepang Sello (athletics).
• Special Award for Disabled Sport: Louzanne Coetzee and Khothatso Mokone
• Special Awards: Maryka Holtzhausen (netball), Janine de Kock, Marnus Kleinhans (tennis), Ans Botha, Rufus Botha (both athletics), Nicole Walraven (hockey) and Godfrey Tenoff (soccer)
• Junior Sportswoman of the Year: Khanyisa Chawane (netball)
• Junior Sportsman of the Year: Kwenzo Blose (rugby)
• Senior Sportswoman of the Year: Kesa Molotsane (athletics)
• Senior Sportsman of the Year: Wayde van Niekerk (athletics)

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