The gross motor development of a 6–8 months old infant is?

Correct option is B

Sol. At the age of 6–8 months, babies typically gain enough trunk control to sit without support. It is an important gross motor milestone indicating muscle strength and balance. Babies start experimenting with sitting by propping themselves up and then progress to sitting steadily. This helps in developing coordination and hand use during play.
Explanation of each option:
· (a) Holds head erect – This usually happens by 3–4 months of age when neck muscles become stronger. It is an earlier milestone, not expected at 6–8 months.
· (b) Sits without support – Correct. Most babies can sit without support between 6 to 8 months as they gain muscle control. This allows them to interact more with their environment.
· (c) Crawling – Typically begins around 8–10 months, after sitting is well developed. Crawling requires coordination between arms and legs.
· (d) Stands with support – Achieved later around 9–12 months when lower limb strength and balance improve. It is not expected at 6–8 months.