ENERGY COST OF WALKING AND OF WHEELCHAIR PROPULSION BY CHILDREN WITH MYELODYSPLASIA: COMPARISON WITH NORMAL CHILDREN |
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| Authors: | Linda O. Williams Amy D. Anderson Joyce Campbell Lynn Thomas Earl Feiwell Joan M. Walker |
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| Affiliation: | Physical Therapist, Department of Physical Therapy, University of Southern California, Downey, Ca.;Assistant Professor, Department of Physical Therapy, University of Southern California, Downey, Ca.;Research Physical Therapist, Pathokinesiology Service, Rancho Los Amigos Hospital, Downey, Ca.;Associate Clinical Professor, University of Southern California;Orthopedic Chief, Spina Bifida Clinic, Rancho Los Amigos Hospital, Downey, Ca.;Associate Professor, Department of Physical Therapy, University of Southern California, Downey, Ca. |
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| Abstract: | ![]()
The oxygen consumption of 15 myelodysplastic children during walking and propelling a wheelchair was studied. In comparison to normal children, they walked more slower and consumed more oxygen per meter, but had a similar rate of oxygen consumption. A swing-through gait pattern was 33 per cent more energy-efficient than a four-point gait pattern for these children. Wheelchair propulsion produced velocities and energy efficiencies similar to normal children walking. Oxygen consumption and velocity measurements were found to be significantly related to the clinical factors of level of lesion and strength of hip and knee extension. Regression lines and equations are presented to permit prediction of energy cost and efficiency from heart-rate data of myelodysplastic children. |
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