NBCOT pediatric development

At what age does a child not release and grasp reflex is weak?

0-1 months

at what age does a child develop a palmar-supinate grasp? (writing tool held with a fisted hand, wrist slightly flexed and slightly supinate away from mid-position; arm moves as a unit

1 year- 1/2 years

At what age does a child perform involuntary release?

1-4 months

What are the stages of development of scissor skills and how old is a child usually at each of these stages?

1. Shows an interest in scissors, 2-3 years 2. Holds and snips with scissors, 2-3 years 3. Opens and closes scissors in a controlled fashion, 2-3 years 4. Manipulates scissors in a forward motion, 3-4 years 5. Coordinates the lateral direction of the scissors, 3-4 years 6. Cuts a straight forward line, 3-4 years 7. Cuts simple geometric shapes, 3-4 years 8. Cuts circles, 3 1/2- 4 1/2 years 9. Cuts simple figure shapes, 4-6 years 10. Cuts complex figure shapes, 6-7 years

At what age does a child begin to perform finger-palm translation (a linear movement of an object from the fingers to the palm of the hand) e.g., picking up coins

12-15 months

at what age can a child perform precise, controlled release into a small container w/ wrist extended?

12-15 months

At what age can a child creep up the stairs?

15 months

At what age can a child creep backwards down the stairs

18-23 months

At what age can a child walk up stairs while holding on and walk down stairs while holding on

18-24 months

At what age can a child hop on one foot, a few steps?

2 1/2+ years

At what age can a child jump down from a step?

2 years

At what age does a child develop a digital-pronate grasp? (writing tool held with fingers, wrist neutral with slight ulnar deviation, and forearm pronated; arm moves as a unit

2 years- 3 years

At what age does a child begin to perform palm-finger translation (with stabilization, a linear movement of an object from the palm of the hand to the fingers (e.g. placing coins in a slot)

2- 2 1/2 years

At what age can a child walk up stairs, alternating feet

2- 2 1/2-3 years

At what age can a child walk up stairs without support, marking time and walks down stairs without support, marking time

2-2 1/2 + years

When does a child begin to perform simple rotation (the turning or rolling of an object held at the finger pads approximately 90 degrees or less such as the unscrewing of a small bottle cap

2-2 1/2 years

At what age does a child develop a static tripod posture grasp? (writing tool is held with crude approximations of thumb, index, and middle fingers, ring and little fingers only slightly flexed, grasped proximally with continual adjustments by other hand, no fine localized movements of digital components; hand moves as a unit

3 1/2 years- 4 years

At what age can a child hop on one foot?

3 1/2 years- 5 years

At what age is a child able to visually attend do an object and may swipe it... sustained voluntary grasp possible only upon contact, ulnar side used. No thumb involvement with a flexed wrist.

3 months

At what age can a child jump off the floor with both feet?

3 years

At what age can a child walk downstairs, alternating feet?

3- 3 1/2 years

At what age can a child gallop, leading with one foot and transferring weight smoothly and evenly?

3-4 years

At what age can a child jump over objects?

3-5 years

At what age does a child develop a dynamic tripod grasp? (writing tool is held with precise opposition of the distal phalanges of the thumb, index, and middle fingers, ring, and little fingers flexed to form a stable arch, wrist is slightly extended, grasped distally, MCP joints stabilized during fine, localized movements of PIP joints

4 1/2 years- 6 years

At what age does a child develop a primitive squeeze grasp in which he or she visually attends to object and approaches if within 1 inch, contact results in hand pulling object back to squeeze precariously against the otter hand or body, no thumb involvement.

4 months

At what age does a child perform mutual fingering in midline?

4 months

At what age does a child transfer objects from hand to hand?

4-8 months

At what age does an infant develop a palmar grasp in which fingers are on top surface of object and presses it into the center of the palm with thumb adducted?

5 months

At what age can a child hop in a straight line?

5 years

At what age does a child perform a 2-stage transfer; taking hand grasps before releasing hand lets go

5-6 months

At what age can a child skip on alternating feet, maintaining balance?

5-6 years

At what age does a child develop a radial-palmar grasp with fingers on far side of object press it against opposed thumb and radial side of palm?

6 months

At what age does a child perform a 1-stage transfer; taking hand and releasing hand perform actions simultaneously

6-7 months

When does a child begin to perform complex rotation tasks (the rotation of an object 360 degrees (e.g. turning of a pencil over to erase)

6-7 years

at what age does a child press down on a surface to release?

7-10 months

at what age does a child perform volitional release?

7-9 months

At what age does a child develop a radial digital grasp- object held with the opposed thumb and fingertips?

8 months

At what age does a child begin to perform shift (a linear movement of an object on the finger surfaces to allow for repositioning of the object relative to the finger pads- such as separating 2 pieces of paper, rolling a piece of clay into a ball, or shifting on marker or pencil

separating 2 pieces of paper (3-5 years) rolling a piece of clay into a ball (3-6+ years) shifting on marker or pencil (5 to 6+ years)