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A study of the mental abilities of the cerebral palsiedArnold, Gwen Freund, January 1945 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1945. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. "Selected bibliography": leaves 59-61.
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Development and clinical application of assessment measures to describe and quantify intra-limb coordination during walking in normal children and children with cerebral palsyFarmer, Sybil E. January 2008 (has links)
This thesis investigates coordination of the lower limb joints within the limb during walking. The researcher was motivated by her clinical experience as a paediatric physiotherapist. She observed that the pattern of lower limb coordination differed between normal children and those with cerebral palsy. Many of the currently used interventions did not appear to influence this patterning. As a precursor to evaluating the effectiveness of treatments in modifying coordination, a tool to measure coordination was required. The researcher initially investigated qualitative and then quantitative methods of measuring within limb coordination. A technique was developed that used relative angular velocity of two joints to determine when joints were in-phase, antiphasic or in stasis. The phasic parameters of hip/knee, knee/ankle and hip/ankle joints coordination were quantified. There were some significant differences between normal children and children with cerebral palsy. Asymmetry of these phasic parameters was identified, with children with cerebral palsy being more asymmetrical than normal children. The clinical utility of this technique was tested by comparing 2 groups of children before and after 2 surgical procedures. This showed some significant differences in phasic parameters between pre and post-operative data for one procedure. Low samples sizes mean that further work is required to confirm these findings. Data from this work has been used to calculate sample sizes to give an a priori power of 0.8 and further research is proposed and potential applications discussed. It is hoped that this technique will raise awareness of abnormal intra-limb coordination and allow therapists to identify key interactions between joints that need to be facilitated during walking training.
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The Effect of Locomotor Assisted Therapy on Lower Extremity Motor Performance in Typically Developing Children and Children with Cerebral PalsyScheidler, Capi Seeger 05 1900 (has links)
Indiana University-Purdue University Indianapolis (IUPUI) / Background: Ambulation is critical to a child’s participation, development of selfconcept,
and quality of life. Children with cerebral palsy (CP) frequently exhibit
limitation in walking proficiency which has been identified as the primary physical
disability. Traditional rehabilitative treatment techniques to improve ambulation for
children with CP reveal inconsistent results. Driven gait orthosis (DGO) training is a
novel approach focusing on motor learning principles that foster cortical neural
plasticity.
Objective: The objectives are to determine if: (i) the lower extremity muscle activation
patterns of children with CP are similar to age-matched TD children in overground (OG)
walking, (ii) DGO training replicates muscle activation patterns in OG ambulation in TD
children, (iii) the lower extremity muscle activation patterns in OG walking of children
with CP are similar to their muscle activation patterns with DGO assistance, and (iv) DGO
training promotes unimpaired muscle activation patterns in children with CP.
Methods: Muscle activity patterns of the rectus femoris, semitendinosus, gluteus
maximus and gluteus medius were recorded in the OG and DGO walking conditions of
children with CP and age-matched TD. The gait cycles were identified and the data was
averaged to produce final average gait cycle time normalized values.
Results: In comparing the variability of the muscle activation patterns within the
subject groups, CP DGO walking was considerably lower than CP OG. In comparing the muscle activation patterns in each condition, consistent differences (p < .05) were noted
in terminal stance, pre-swing and initial swing phases of gait with the DGO condition
consistently revealing greater muscle unit recruitment.
Conclusion: The results indicate that training in the DGO provided the ability to practice
with measurably repetitive movement as evidenced by decreased variability. Consistent
differences were noted in muscle activation patterns in the terminal stance, pre-swing
and initial swing phases of gait when most of these muscles are primarily inactive. The
alteration in ground reaction force within the DGO environment may play a role in this
variance. With the goal of normalizing gait, it is important that the effect of these
parameters on ground reaction forces be considered in the use of DGO rehabilitation.
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