Purpose: The purpose of this study was to determine the effectiveness of physical therapy using Cascade orthotics and an exercise program for children with hypotonia and flatfeet. Subjects: Thirty-seven children, aged 18 months to 5 years, who demonstrated developmental delays and hypotonia with flatfoot dysfunction, participated in this study. Methods: Three groups (control, orthotic, and orthotic-exercise) were studied. The orthotic- exercise group practiced bilateral heel lifts besides wearing the orthoses. An arch index was used to assess the width of the medial longitudinal arch (MLA) pre/post interventions. Gait parameters (velocity, step-length, single-limb support, and cadence) were assessed four times in a six-month period using the GAITRite™ system. Results: Significant differences pre/post testing (P<.05) were found in the arch index for the orthotic group and positive trends were observed for the orthotic-exercise group. Velocity, step-length, single-limb support, and cadence changes were also significant for the three groups over time. Conclusions: Interventions benefit children with hypotonia and flat feet. Future studies might consider a longer duration and larger sample size.
Physical Therapy Sciences
School of Allied Health Professions
Everett Lohman III
Doctor of Physical Therapy (DPT)
Year Degree Awarded
Date (Title Page)
Subject - Local
Muscle Hypotonia -- therapy; Flatfoot -- therapy; Child.
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Ross, Charmayne G., "The Effectiveness of a Physical Therapy Intervention for Children with Hypotonia and Flatfeet" (2004). Loma Linda University Electronic Theses, Dissertations & Projects. 1345.
Loma Linda University Electronic Theses and Dissertations
Loma Linda University. Del E. Webb Memorial Library. University Archives