PRONE 0-2 months
PRONE 5-6 months
- Bears and shifts weight on extended arms
PRONE 5-8 months
PRONE 7-8 months
SUPINE 0-3 months
SUPINE 3-4 months
SUPINE 4-5 months
SUPINE 5-6 months
ROLLING 3-4 months
ROLLING 5-6 months
ROLLING 6-14 months
SUPINE 0-3 months
SUPINE 3-4 months
SUPINE 4-5 months
SUPINE 5-6 months
ROLLING 3-4 months
ROLLING 5-6 months
ROLLING 6-14 months
Rolls segmentally initiated by the head, shoulder, or hips
SITTING 0-3 months (held in sitting)
- Hips are bent and shoulders are in front of hips
SITTING 5-6 months (supports self in sitting)
SITTING 5-10 (sits alone)
- Able to play with toys in sitting position
SITTING 6-11 months
SITTING 9-18 months
SITTING 10-12 months