Papers in PMC indicate that youth athletes undergoing rapid lower limb growth may face a higher incidence of growth-related injuries due to these changing proportions.
This classic PubMed paper details how leg length reaches its peak velocity earlier than the trunk (sitting height). It notes that while girls experience this earlier (around age 10-11), boys' leg lengths typically exceed girls' by age 12. leggy teen
Several scientific papers and reviews cover this phenomenon: Biological and Growth Pattern Studies Papers in PMC indicate that youth athletes undergoing
Research on twins suggests that while genetics play a major role as children approach maturity, environmental factors (nutrition and health) have a stronger influence on limb proportions during the rapid growth phase of early adolescence (ages 6–14). Several scientific papers and reviews cover this phenomenon:
Research published in Nature Scientific Reports explains that the adolescent growth spurt is highly standardized, typically peaking when a child reaches 90% of their final adult height .
The adolescent growth spurt of boys and girls of the ... - PubMed