Pediatric Physical Therapy

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Pediatric Physical Therapy:
doi: 10.1097/PEP.0b013e3181ea8b8d
Research Report

Ankle Strength and Functional Limitations in Children and Adolescents With Type I Osteogenesis Imperfecta

Caudill, Angela MPT; Flanagan, Ann PT, PCS; Hassani, Sahar MS; Graf, Adam MS; Bajorunaite, Ruta PhD; Harris, Gerald PhD; Smith, Peter MD

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Abstract

Purpose: To determine whether children with type I osteogenesis imperfecta (OI) exhibit ankle plantar flexor weakness and whether this correlates with physical function.

Methods: Twenty children and adolescents with type I OI and 20 age-matched controls (age 6-18 years) participated in a single evaluation session. Data included strength assessment, Gillette Functional Assessment Questionnaire, Pediatric Outcome Data Collection Instrument (PODCI), and Faces Pain Scale—Revised.

Results: Ankle plantar flexor weakness was evident in the OI group compared with the control group. Heel-rise strength correlated with ankle isometric plantar flexion strength. Limitations in PODCI subscales—sports and physical function and pain/comfort—are present in the OI group.

Conclusion: Ankle plantar flexor weakness is present in children and adolescents with type I OI and correlates with function. Gillette Functional Assessment Questionnaire, PODCI, and strength assessment are valuable evaluation tools for children and adolescents with type I OI and can aid therapists in goal setting.

© 2010 Lippincott Williams & Wilkins, Inc.

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