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34% of the injuries were suffered by children using Heelys (or Street Gliders) for the very first time. 70% had used the products five or fewer times. The injuries comprised 8% of the workload for the pediatric orthopedic department. 12% of the injured children were familiar with the instructions for use of the products.
The Gesell Developmental Schedules claimed that an appraisal of the developmental status of infants and young children could be made. The Gesell Developmental Schedule believes that human development unfolds in stages, or in sequences over a given time period. These stages were considered milestones, or the manifestations of mental development. [1]
Heelys, Inc., formerly known as Heeling Sports Limited, is the company which currently owns the Heelys, Soap, and Axis (unofficially defunct) brands. Heelys' headquarters is, and for its entire history has been, located in Carrollton, Texas .
Resting heart rate is usually between 80 and 160 beats per minute, and it typically stays within that range until the infant is about one year old. [18] Motor development. Can hold up head and chest while in prone position. [24] Movements of arms and legs become smoother. [25] Can hold head steady while in sitting position. [24]
The Child Behavior Checklist (CBCL) is a widely used caregiver report form identifying problem behavior in children. [ 1 ] [ 2 ] It is widely used in both research and clinical practice with youths. It has been translated into more than 90 languages, [ 3 ] and normative data are available integrating information from multiple societies.
The Denver Developmental Screening Test (DDST) was introduced in 1967 to identify young children, up to age six, with developmental problems. A revised version, Denver II, was released in 1992 to provide needed improvements. These screening tests provide information about a range of ages during which normally developing children acquire certain ...
The wheel of a Heelys roller shoe. Roller shoes are shoes that have wheels protruding slightly from the heel, allowing the wearer to alternate between walking and rolling. There are a number of tricks that can be done with them, including pop wheelies and spins. [1] [2] [3] [4]
A study of 18-month-olds whose mothers had depressive symptoms while the children were 6 weeks and/or 6 months old found that maternal depression had no effect on the child's cognitive development. Furthermore, the study indicates that maternal depression combined with a poor home environment is more likely to have an effect on cognitive ...