Automatic vs hand-controlled walking of paraplegics

Popović, Dejan B.; Radulović, Milovan; Schwirtlich, L.; Jaukovic, N.

doi:10.1016/s1350-4533(02)00188-1

Cited by 55 publications

(42 citation statements)

References 26 publications

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“…FES systems are often used in motor neural prostheses (e.g., the peroneal stimulator for stroke patients (Burridge et al, 2007;Everaert et al, 2013) and may be designed as surface or implantable stimulation systems for control of the arm and hand (Hart et al, 1988;Popović et al, 2004) or for control of standing and walking (Kralj and Bajd, 1989;Nataraj et al, 2012;Dutta et al, 2011;Popović et al, 2003)). FES devices directly assist in the performance of disrupted functions in humans with CNS lesions; furthermore, FES causes changes in cortical excitability and stimulates cortical reorganization (carry-over effects).…”

Section: Introductionmentioning

confidence: 99%

Advances in functional electrical stimulation (FES)

Popović

2014

Journal of Electromyography and Kinesiology

130

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Section: Introductionmentioning

confidence: 99%

Advances in functional electrical stimulation (FES)

Popović

2014

Journal of Electromyography and Kinesiology

130

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“…The correlation between PCI and VO2 has been studied in healthy adults [10]. The retest reliability of PCI has been investigated in healthy subjects [10]- [13]children with cerebral palsy [15]and adults with spinal cord [13]and brain injuries [16].PCI has been used as an outcome measure after interventions in persons with cerebral palsy [17],spinal cord injury [18], [19]and stroke [21], [22].…”

Section: Literature Surveymentioning

confidence: 99%

Correlation between Six Minute Walk Test and Physiological Cost Index in Healthy Indian Females

2016

IJSR

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Abstract:Objective: To analyze the correlation between Physiological Cost Index and the 6 Minute Walk Test Parameters and demographics. Participants: Convenience samples of 24 healthy females, age between 25 to 50 years. Intervention: PCI, was calculatedafter measuring the resting vitals, where subject walked at self-selected speed, wearing an ambulatory heart rate meter. For six minute walk test, the subject was asked to walk for six minutes so as to cover maximal distance possible, which was measured, along with posttest vitals to arrive at values of distance covered, VO2max, change in HR, and SBP. correlation between the studied variables and PCI was found to be moderately positively correlated with weight, height, BMI, 6MWD, increase in heart rate post exercise. There was a mild negative correlation between PCI and age, as well as change in SBP. However,VO2 max did not correlate with PCI values. Conclusion: Physiological cost of walking in normal Indian females is directlyassociated with the weight, BMI, 6MWD, increase in heart rate post exercise of the individual. However, the inverse relation between SBP and PCI, and no correlation with VO2 max needs to be investigated further.

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“…1A). This is in contrast with usual kinematic-based finite-state controllers (e.g., using functional electrical stimulation [6,7] or intraspinal stimulation [8]), where triggering times are most often determined from local readings of specific joint angles or positions. In such cases, the high selectivity of electrodes is such that single variables (or a combination of a small number of them) provide enough information to determine when specific sites ought to be active.…”

Section: Triggering Algorithmmentioning

confidence: 99%

A real-time platform for studying the modulatory capacity of epidural stimulation after spinal cord injury

Moraud

Wenger

Gandar

et al. 2013

2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)

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Epidural electrical stimulation (EES) showed promises to improve standing and walking after neurological disorders. To date, EES has been delivered continuously, although time-dependent stimulations would likely be more efficient to activate specific subsets of sensorimotor circuits with the appropriate timing. To address this issue, we developed a real-time stimulation platform that allows to trigger EES during pre-defined phases of the gait cycle in freely walking rats. We leveraged this platform to demonstrate the ability of time-dependent EES to modulate key aspects of locomotor kinematics in rats with complete spinal cord transection. This platform will support the development of personalized stimulation strategies that can be tailored to the need of individual subjects

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Automatic vs hand-controlled walking of paraplegics

Cited by 55 publications

References 26 publications

Advances in functional electrical stimulation (FES)

Advances in functional electrical stimulation (FES)

Correlation between Six Minute Walk Test and Physiological Cost Index in Healthy Indian Females

A real-time platform for studying the modulatory capacity of epidural stimulation after spinal cord injury

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