Stationary Cycling and Children with Cerebral Palsy: Case Reports for Two Participants

Kara L. Siebert Kara L. Siebert, DPT, MSEd, is a Staff Physical Therapist and Clinical Instructor at the South Bay Medical Therapy Unit, California Children's Services of Los Angeles, County. She was a Research Fellow in Department of Orthopaedic Surgery, Center for Cerebral Palsy, University of California at Los Angeles at the time this study was conducted.

Sharon K. DeMuth Sharon K. DeMuth, PT, MS, DPT, is Assistant Professor of Clinical Physical Therapy, Division of Biokinesiology and Physical Therapy at the School of Dentistry, University of Southern California, Los Angeles, CA.

Loretta M. Knutson Loretta M. Knutson, PT, PhD, PCS, was Professor, Department of Physical Therapy, Missouri State University, Springfield, MO, at the time this study was conducted and is Adjunct Faculty, Krannert School of Physical Therapy, University of Indianapolis, Indianapolis, IN.

Eileen G. Fowler Eileen G. Fowler, PT, PhD, is Associate Professor, Department of Orthopaedic Surgery and Center for Cerebral Palsy, University of California at Los Angeles and is Faculty, Tarjan Center at UCLA.Correspondence[email protected]

ABSTRACT

These case reports describe a stationary cycling intervention and outcomes for two child participants (P1 and P2) with spastic diplegic cerebral palsy. Each child completed a 12-week, 30-session cycling intervention consisting of strengthening and cardiorespiratory fitness phases. P1 exhibited higher training intensities, particularly during the cardiorespiratory phase. Average training heart rates were 59% and 35% of maximum heart rate for P1 and P2, respectively. Lower extremity peak knee flexor and extensor moments, gross motor function (Gross Motor Function Measure (GMFM-66)), preferred walking speed (thirty-second walk test), and walking endurance (600-yard walk-run test) were measured pre- and postintervention. Changes in outcome measurements corresponded with differences in exercise intensity. Greater gains in peak knee extensor moments, GMFM-66 scores (+4.2 versus +0.9), 600-yard walk-run test (−29% versus 0%) occurred for P1 versus P2, respectively. Preferred walking speeds did not increase substantially for P1 and decreased for P2.

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