DOI: 10.1055/s-00000119

B&G Bewegungstherapie und Gesundheitssport

References

Kaster T, Dooley F, Fitzgerald J, Walch T, Annandale M, Ferrar K, Lang J, Smith J, and Tomkinson G.
Temporal trends in the sit-ups performance of 9,939,289 children and adolescents between 1964 and 2017.

Journal of Sport Sciences
38: 1913-1923, 2020;

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