Christopher Malaya

Christopher Malaya
Parker University · Research

DC PhD

About

14
Publications
1,408
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43
Citations

Publications

Publications (14)
Article
Full-text available
Introduction: This study investigated kinematic and EMG changes in gait across simulated gravitational unloading levels between 100% and 20% of normal body weight. This study sought to identify if each level of unloading elicited consistent changes—particular to that percentage of normal body weight—or if the changes seen with unloading could be in...
Article
Full-text available
Objective: This study explored the influence of lower extremity manipulation on the postural after-effects of standing on an inclined surface. Methods: Eight healthy individuals (28.0 ± 4.1 years) were recruited for this open-label, crossover study. Participants stood on an incline board for 3 min to develop a known form of somatosensory illusion....
Article
Full-text available
Many individuals with disabling conditions have difficulty with gait and balance control that may result in a fall. Exoskeletons are becoming an increasingly popular technology to aid in walking. Despite being a significant aid in increasing mobility, little attention has been paid to exoskeleton features to mitigate falls. To develop improved exos...
Article
Full-text available
SYNGAP1-related Intellectual Disability (SYNGAP1-ID) is a rare neurodevelopmental condition characterized by profound intellectual disability, gross motor delays, and behavioral issues. Ataxia and gait difficulties are often observed but have not yet been characterized by laboratory-based kinematic analyses. This investigation identified gait chara...
Article
Falls are a leading cause of death in adults 65 and older. Recent efforts to restore lower-limb function in these populations have seen an increase in the use of wearable robotic systems; however, fall prevention measures in these systems require early detection of balance loss to be effective. Prior studies have investigated whether kinematic vari...
Article
Objective Evaluate chiropractic care including flexion distraction spinal manipulation for improving function, symptoms and performance-based mobility in patients with lumbar spinal stenosis (LSS) using a pretest-posttest design. Methods Data were collected at baseline, midpoint and final visits prior to care on each visit. Objective data included...
Article
Full-text available
Background Previous research demonstrated that manipulation of the extremities was associated with changes in multisegmental postural sway as well as improvement in a lower extremity balancing task. We were interested if these effects would extend to an upper extremity task. Our aim in this study was to investigate whether extremity manipulation co...
Conference Paper
Objective: To pilot a pretest-posttest study of spinal manipulation on improving function and symptomatology in patients with lumbar spinal stenosis (LSS). Methods: Participants received spinal manipulation at the chiropractor’s discretion. Data were collected at baseline, midpoint and final visits. Objective data included timed-up-and-go, sit-to-s...
Conference Paper
Full-text available
Wearable robotic devices are being designed to assist the elderly population and other patients with locomotion disabilities. However, wearable robotics increases the risk from falling. Neuroimaging studies have provided evidence for the involvement of frontocentral and parietal cortices in postural control and this opens up the possibility of usin...
Preprint
Full-text available
Background: Previous research demonstrated that manipulation of the extremities was associated with changes in multisegmental postural sway as well as improvement in a lower extremity balancing task. We were interested if these effects would extend to an upper extremity task. Our aim in this study was to investigate whether extremity manipulation c...
Article
Full-text available
Objective Evaluate multisegmental postural sway after upper- vs lower-extremity manipulation. Methods Participants were healthy volunteers (aged 21-40 years). Upper- or lower-extremity manipulations were delivered in a randomized crossover design. Postural assessments were made pre-post manipulation, in floor and rocker board conditions. Analysis...
Article
Full-text available
Background: The purpose of the review is to summarize the literature surrounding the use of muscle vibration as it relates to modifying human gait. Methods: After a brief introduction concerning historical uses and early research identifying the effect of vibration on muscle activation, we reviewed 32 articles that used muscle vibration during walk...

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