Schoolchildren are becoming physically weaker, according to researchers who have studied how the muscle strength of 10-year-olds has changed over recent years.
The team says 10-year-olds have become heavier and taller since 1998, meaning that on average their body mass index (BMI) has remained fairly stable. However, their strength and endurance have declined.
“In order to develop strength you have got to use your muscles – you have got to use them repeatedly and you have got to use them regularly,” said Gavin Sandercock, co-author of the research from the University of Essex. “[Children] are not doing the type of activity which will promote strength.”
Writing in the Journal of Science and Medicine in Sport the researchers describe how they took various measurements from more than 300 boys and girls, aged 10, in Chelmsford, Essex, in 2014. These measurements were taken during school PE lessons and included height, weight, distance achieved in a standing broad jump, number of sit-ups in 30 seconds, the strength of handgrip and how long the children could keep their chin above gymnasium bars when hanging by their arms.
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