Pediatric Physical Therapy

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Pediatric Physical Therapy:
doi: 10.1097/PEP.0b013e31824cce6e
Research Article

Bone Health in Children and Adolescents With Juvenile Idiopathic Arthritis and the Influence of Short-term Physical Exercise

Sandstedt, Eva PT, MSc; Fasth, Anders MD, PhD; Fors, Hans MD, PhD; Beckung, Eva PT, PhD

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Abstract

Purpose: To study bone mineral density (BMD) in 54 children and adolescents with juvenile idiopathic arthritis before and after a short-term exercise program.

Methods: Fifty-four children, 41 girls and 13 boys, median age 13.9 years, participated in a 12-week exercise program, with 33 children in an exercise group. The program consisted of one hundred 2-footed jumps with a rope and standardized muscle strength exercise. Both BMD and bone mineral content were assessed with dual-energy x-ray absorptiometry (DXA) and DXA Laser Calscan for the heel at the start and after 3 and 6 months.

Results: The study group had BMD measurements within the reference range compared with normative data with Z score at start. Bone mineral density values in total body, but not Z score, increased significantly (P = .012) in the exercise group.

Conclusions: The study group had BMD measurements within the reference range. Twelve weeks of exercise increases BMD in children with juvenile idiopathic arthritis.

© 2012 Lippincott Williams & Wilkins, Inc.

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