Erhardt Developmental Products
DVDs, Books, and other Materials about Child Development and Children with Disabilities

Curriculum
Vitae

Normal Hand Development: Birth to 15 Months (1981)
35 minutes. V10P: $90

CLICK ON THIS THUMBNAIL IMAGE TO VIEW A FULL SIZE VIDEO CAPTURE. This video, winner of the Sage Award by the American Academy of Cerebral Palsy and Developmental Medicine, presents a comprehensive range of prehension behaviors, grouped into self-contained Developmental Sequence Clusters, which demonstrate how skills at each level lead to those at the next. Major topics include involuntary-reflexive patterns (the arms in supine and prone, the ATNR, grasping, placing, and avoiding responses); and voluntary movements (approach in supine, prone, and sitting; grasp and release of the dowel, cube, and pellet; and manipulation skills).

Administration of the Erhardt Developmental Prehension Assessment: The Child with Developmental Disabilities (1983)
55 minutes. V11P: $95
This video demonstrates administrative procedures for using the EDPA to assess hand function in a school-aged child with cerebral palsy, illustrating appropriate positioning, materials, verbal instruction, and presentation techniques.

Administration of the Erhardt Developmental Prehension Assessment: The Adolescent with Developmental Disabilities (1994)
55 minutes. V18P: $95
This video demonstrates administrative procedures for using the EDPA to assess hand function in the same individual as an adolescent nine years later), illustrating appropriate positioning, materials, verbal instruction, and presentation techniques.

Normal Components of Hand Preference (1999)
30 minutes. V24P: $90
CLICK ON THIS THUMBNAIL IMAGE TO VIEW A FULL SIZE VIDEO CAPTURE.
This video presents unilateral, bilateral, and bimanual hand movements of 5 typical elementary-age children, following the format of the Erhardt Hand Preference Assessment (EHPA), 2006 version. It is organized into sections of exploratory/sensory movements, gestures, and functional tasks, which include power (resistive), precision (fine manipulation), and power/precision (combination). Functional tasks are also grouped according to occupational performance areas: activities of daily living, work/productive activities, and play/leisure activities.

Normal and Atypical Hand Function (1996)
35 minutes. V22P: $95
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1. Components of Hand Function in a Normal Young Adult
This video presents hand movement patterns of a normal young adult, including the approach, grasp, manipulation, and release clusters of the EDPA-S (short screening form).
2. Atypical Hand Function in Persons with Disabilities
This video presents examples of 15 children and adults with various physical and multiple disabilities, who were evaluated with the EDPA. Their atypical arm and hand patterns are linked with their specific medical conditions, compensations they have developed, and implications for function in home, school, and community environments.

Normal and Atypical Hand Preferences (1999)
35 minutes. V26P: $95
CLICK ON THIS THUMBNAIL IMAGE TO VIEW FULL SIZE VIDEO CAPTURES.

1. Emerging and Mature Hand Preferences and Congruencies (2000)
This video, winner of an Excellence in Public Access Television Award, presents unilateral hand movements of a mother and her 2-year-old child, following the format of the Erhardt Hand Preference Assessment short screening form (EHPA-S).
2. Factors Influencing Hand Preference in Persons with Disabilities
This video presents examples of 7 children and adults with various physical and multiple disabilities, who were evaluated with the Erhardt Hand Preference Assessment (EHPA). Their choices of hand preference are linked with their specific medical conditions and functional compensations for missing components of unilateral, bilateral, and bimanual hand development.

* Video Clips