Questions and Answers
What is the positive support onset?
35 weeks gestation
What is the positive support integration period?
1-2 months
What does the positive support position involve?
Supporting the infant in a vertical position
What does the positive support procedure involve?
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What is observed as a response during the positive support procedure?
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What is the functional significance of positive support?
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What issues can arise from positive support reflex if it interferes?
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Study Notes
Positive Support Reflex Overview
- Positive support onset occurs at 35 weeks gestation, marking the beginning of this reflex.
- Integration of positive support typically happens between 1-2 months, after which the reflex no longer dominates movements.
Positive Support Position
- The positive support reflex enables infants to be supported in a vertical position, which is crucial for later motor development.
Positive Support Procedure and Response
- Procedure: When testing this reflex, allow the infant's feet to make firm contact with a surface like the floor or table.
- Response: The expected reaction is the simultaneous contraction of both flexor and extensor muscles in the lower extremities, enabling partial weight support while the hips and knees remain flexed.
Functional Significance
- The positive support reflex is a prerequisite for the spontaneous stepping reflex.
- It plays a critical role in developing skills related to standing, walking, balance reactions, and weight shifting while standing.
- Prolonged retention of this reflex can lead to contractures of the ankles in a plantarflexed position, potentially hindering further motor development.
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Description
Explore the important milestones of the positive support reflex in this flashcard quiz. Learn about the onset and integration periods, as well as the procedures and responses associated with this essential developmental reflex. Ideal for students in physical therapy and pediatric care.
