Prone and Upright Posture
| Age | |
| 16 weeks | Raises head when lying on stomach; head is almost perpendicular to surface |
| 20 weeks | Makes compensatory head movements when pulled from lying on back to a sitting posture |
| 24 weeks | Rolls over |
| Supports self on extended arms in the prone position | |
| 28 weeks | In a sitting position, holds trunk erect momentarily |
| 36 weeks | Holds trunk erect indefinitely |
| 40 weeks | Holds trunk erect and maintains balance as turns to side to pick up an object |
| 44 weeks | Goes from sitting to prone to sitting positions |
Sitting, Crawling, Standing, Walking, and Running
| Age | |
| 12 weeks | Supports much of weight on legs when held vertically |
| 28 weeks | Sits alone |
| Crawls with abdomen in contact with floor | |
| Supports full weight when held vertically | |
| 36 weeks | In creeping position, supports weight on toes |
| Pulls self into a standing position but has insufficient motor control to lower self | |
| 48 weeks | Pulls to standing and is able to walk holding on to furniture |
| 12-18 months | Walks alone with elevation of arms; feet are wide-based for support |
| 18 months | Walks sideways and backward |
| 21 months | Walks up three steps alone |
| 2 years | Runs |
| Goes up and down stairs placing both feet on each step | |
| 2-3 years | Kicks a ball on the floor |
| Balances on one foot for one second | |
| Imitates crossing of the feet | |
| 3 years | Walks up stairs using alternating feet, but comes down stairs placing both feet on each step |
| Rides tricycle | |
| Balances on each foot for 2 seconds | |
| 4 years | Somersaults |
| Balances well on toes | |
| Walks a straight line 3 meters long | |
| Hops on one foot | |
| Touches fingers to thumb in succession | |
| Balances on one foot for up to 10 seconds | |
| Walks up and down stairs one step per foot | |
| 4-5 years | Skips |
| Catches a bounced ball |
Excerpted From:
Excerpt from Learning Disabilities: The Interaction of Students and their Environments, by C.R. Smith, 2004 edition, p. 243.
© ______ 2004, Merrill, an imprint of Pearson Education Inc. Used by permission. All rights reserved. The reproduction, duplication, or distribution of this material by any means including but not limited to email and blogs is strictly prohibited without the explicit permission of the publisher.
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