Common Developmental Delays

Developmental delays can range from mild to severe. This article provides some developmental benchmarks to help you identify these delays.

In this article, you will find:

Introduction
Self-regulation milestones
Fine motor benchmarks
Gross motor benchmarks
Visual-perceptual benchmarks
Self-help benchmarks
Speech-language benchmarks
Cognitive benchmarks
Social-emotional benchmarks

Gross motor benchmarks

Some gross motor benchmarks are listed below.

By about six months:

  • supports most of weight on hands while on tummy

  • brings feet to mouth

  • sits for a few seconds
By about one year:

  • stands alone for a few seconds

  • walks with hands held
By about sixteen months:

  • walks independently

  • bends and straightens knees to squat down and stand back up

  • throws a ball underhand while sitting
By about twenty-six months:

  • walks up a few steps

  • catches a large ball while standing

  • generally runs well without arms up in high-guard position
By third year:

  • stands on one foot for several seconds

  • walks down several stairs

  • pedals a tricycle a few feet forward
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