Developmental Developmental age quotient Chronologic age x 100
Gross Motor Development
A 12-month-old child who is just pulling to stand (gross motor developmental age of 9 mos), cruising (10 mos), and walking when both hands are held (10 mos) has a gross motor developmental age of 10 months. This child's gross motor developmental quotient is:
A 12-month-old child can transfer objects from hand to hand (a fine motor developmental age of 6 mos), rake objects into his palm (7 mos), and pull things (7 mos). He cannot hold blocks in each hand and does not have thumb and finger grasp (8-9 mos).
This child is in the gray zone, is likely to do well without intervention, but x 100) = 83
requires close follow-up.
He has normal primitive reflexes (most absent), increased tone, scissoring of legs when held, spasticity, and delays on the gross motor part of the DDST.
This child's fine motor developmental quotient is:
This child is delayed in fine motor development and has signs of cerebral palsy.
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