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Three therapists measured tibiofibular torsion and thigh-foot angle (TFA) goniometrically in 17 normal subjects, aged three to 24 years. Tibiofibular torsion was also measured using computed tomography (CT). Differences between testers for the goniometric measures were analyzed using a nonparametric analysis of variance. Wilcoxon's rank sum test was used to(More)
The purpose of this study was to examine intratester and test-retest reliability using a hand-held dynamometer for the measurement of isometric muscle strength in 28 healthy children and children with Duchenne muscular dystrophy. The Dystrophic Group consisted of 14 children diagnosed with Duchenne muscular dystrophy, and the Healthy Group consisted of 14(More)
The reliability of five lower-extremity goniometric measurements of 20 patients with moderate to severe hypertonicity was assessed by three pediatric physical therapists. The measurements were repeated on five of the children within one week. Intra-rater variation was less than inter-rater variation for all measurements, but variations of 10 to 15 degrees(More)
BACKGROUND Upright sitting is one of the first developmental motor milestones achieved by infants, and sitting postural sway provides a window into the developing motor control system. A variety of posture sway measures can be used, but the optimal measures for infant development have not been identified. METHODS We have collected sitting postural sway(More)
OBJECTIVES To determine the reliability of linear and nonlinear tools, including intrasession and intersession reliability, when used to analyze the center of pressure (COP) time series during the development of infant sitting postural control. DESIGN Longitudinal study. SETTING University hospital laboratory. PARTICIPANTS Typically developing infants(More)
BACKGROUND By quantifying the information entropy of postural sway data, the complexity of the postural movement of different populations can be assessed, giving insight into pathologic motor control functioning. METHODS In this study, developmental delay of motor control function in infants was assessed by analysis of sitting postural sway data acquired(More)
The aim of this investigation was to quantify the differences in torque steadiness and variability of the muscular control in children with cerebral palsy (CP) and typically developing (TD) children. Fifteen children with CP (age=14.2±0.7 years) that had a Gross Motor Function Classification System (GMFCS) score of I-III and 15 age and gender matched TD(More)
Our goal was to determine how the actions of the thorax and the pelvis are organized and coordinated to achieve independent sitting posture in typically developing infants. The participants were 10 typically developing infants who were evaluated longitudinally from first onset of sitting until sitting independence. Each infant underwent nine testing(More)
Upright sitting is one of the first motor skills an infant learns, and thus sitting postural control provides an early window into the infant's motor development. Early identification of infants with motor developmental delay, such as infants with cerebral palsy, allows for early therapeutic intervention by physical therapists. Early intervention is thought(More)
OBJECTIVE To examine if body weight supported treadmill training (BWSTT) improves the regularity of stepping kinematics in children with cerebral palsy (CP). METHODS Twelve children with CP who had Gross Motor Function Classification Scores that ranged from II-IV participated in 12 weeks of body weight supported treadmill training that was performed 2(More)