Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 11/19/2025

Developmental Milestones in Children

Motor Skills Development

  • The ability to hop on one foot multiple times without losing balance is a critical milestone that determines a child's age, typically emerging around 48 months, and represents advanced motor planning and balance capabilities that distinguish 4-year-olds from younger children 1, 2
  • Running and jumping off the ground with both feet are typically achieved by 24-30 months, according to the American Academy of Pediatrics 1
  • Kicking a large ball emerges around 24-30 months, indicating developing motor skills 1
  • Alternating feet going up and down stairs typically develops around 36 months, showing improving coordination and balance 1, 2
  • Catching a ball with both hands consistently becomes more reliable around 36 months, demonstrating advancing motor planning and coordination 2
  • Hopping on one foot multiple times without losing balance is a complex motor task requiring sequential motor planning, balance, and coordination that typically emerges at 48 months, characterizing the 4-year-old developmental stage 1, 2
  • The American Academy of Pediatrics identifies 18 months as the upper limit of normal for independent walking, with 75% of children walking independently by 14 months 3

REFERENCES

3

Walking Development in Infants [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025