Effect of functional electrical stimulation on the effort and walking speed, surface electromyography activity, and metabolic responses in stroke subjects

Sabut, Sukanta; Lenka, Prasanna Kumar; Kumar, Ratnesh; Mahadevappa, Manjunatha

doi:10.1016/j.jelekin.2010.07.003

Cited by 55 publications

(51 citation statements)

References 34 publications

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“…Although the AFO can mitigate some of the walking difficulty, as a rehabilitation intervention it is not targeted to provide or preserve dynamic function. An alternative rehabilitation approach is to apply functional electrical stimulation (FES) to the common peroneal nerve to help provide active movement during ambulation (Bethoux et al, 2014(Bethoux et al, , 2015Everaert et al, 2013;Sabut et al, 2010;Stein et al, 2010). The stimulation paradigm for FES is to elicit task-specific movement patterns that result in dynamic functional activity (Daly and Ruff, 2007).…”

Section: Introductionmentioning

confidence: 99%

Changes in center of pressure displacement with the use of a foot drop stimulator in individuals with stroke

Nolan

Yarossi

McLaughlin

2015

Clinical Biomechanics

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Section: Introductionmentioning

confidence: 99%

Changes in center of pressure displacement with the use of a foot drop stimulator in individuals with stroke

Nolan

Yarossi

McLaughlin

2015

Clinical Biomechanics

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“…A significant increase in the rate of change in %Det during fatiguing contractions may indicate exercise-effect on the paretic MG muscle brought by EMG-triggered NMES-assisted gait training. Therefore, we found that our short-duration EMG-triggered FES-assisted gait therapy improved neurophysiological properties of the muscle and a more intensive treatment with duration beyond 2 weeks might have shown additional benefits [40][41][42][43].…”

Section: Discussionmentioning

confidence: 99%

“…EMG-triggered FES-assisted gait training may alleviate these debilitating conditions where increased intensity and frequency of rehabilitation may help [40]. In fact recent studies in India on therapeutic benefits of FESassisted gait training in conjunction with conventional physiotherapy have shown the additive effects of FES on reducing spasticity, improving dorsiflexor strength, improving walking ability, and improving metabolic fitness [41,42]. However, stroke presents with heterogeneous patient-specific impairments in motor, sensory, tone, visual, perceptual, cognition, aphasia, apraxia, coordination, and equilibrium.…”

Section: Discussionmentioning

confidence: 99%

Nonlinear analysis of electromyogram following gait training with myoelectrically triggered neuromuscular electrical stimulation in stroke survivors

Dutta

Khattar

Banerjee

2012

EURASIP J. Adv. Signal Process.

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Neuromuscular electrical stimulation (NMES) facilitates ambulatory function after paralysis by activating the muscles of the lower extremities. The NMES-assisted stepping can either be triggered by a heel-switch (switch-trigger), or by an electromyogram (EMG)-based gait event detector (EMG-trigger). The command sources-switch-trigger or EMG-trigger-were presented to each group of six chronic (>6 months post-stroke) hemiplegic stroke survivors. The switch-trigger group underwent transcutaneous NMES-assisted gait training for 1 h, five times a week for 2 weeks, where the stimulation of the tibialis anterior muscle of the paretic limb was triggered with a heel-switch detecting heel-rise of the same limb. The EMG-trigger group underwent transcutaneous NMES-assisted gait training of the same duration and frequency where the stimulation was triggered with surface EMG from medial gastrocnemius (MG) of the paretic limb in conjunction with a heel-switch detecting heel-rise of the same limb. During the baseline and post-intervention surface EMG assessment, a total of 10 s of surface EMG was recorded from bilateral MG muscle while the subjects tried to stand steady on their toes. A nonlinear tool-recurrence quantification analysis (RQA)-was used to analyze the surface EMG. The objective of this study was to find the effect of NMES-assisted gait training with switch-trigger or EMG-trigger on two RQA parameters-the percentage of recurrence (%Rec) and determinism (%Det), which were extracted from surface EMG during fatiguing contractions of the paretic muscle. The experimental results showed that during fatiguing contractions, (1) %Rec and %Det have a higher initial value for paretic muscle than the non-paretic muscle, (2) the rate of change in %Rec and %Det was negative for the paretic muscle but positive for the non-paretic muscle, (3) the rate of change in %Rec and %Det significantly increased from baseline for the paretic muscle after EMG-triggered NMES-assisted gait training. Therefore, the study showed an improvement in paretic muscle function during a fatiguing task following gait training with EMG-triggered NMES. This study also showed that RQA parameters-%Rec and %Det-were sensitive to changes in paretic/non-paretic muscle properties due to gait training and can be used for non-invasive muscle monitoring in stroke survivors undergoing rehabilitation.

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“…Two primary applications for NMES include: (1) rehabilitation of skeletal muscle size and function via plastic changes in the neuromuscular system [1][2][3] ; and (2) activation of muscle(s) to elicit movements that result in functional performance (i.e., standing, stepping, reaching, etc. ), [4][5][6] termed functional electrical stimulation (FES). NMES has been shown to be an effective treatment for muscular dysfunction in clinical cohorts such as stroke and spinal cord injury, [4][5][6] although the specifics of how to optimize NMES delivery are not well established.…”

mentioning

confidence: 99%

“…), [4][5][6] termed functional electrical stimulation (FES). NMES has been shown to be an effective treatment for muscular dysfunction in clinical cohorts such as stroke and spinal cord injury, [4][5][6] although the specifics of how to optimize NMES delivery are not well established.…”

mentioning

confidence: 99%

A novel modulation strategy to increase stimulation duration in neuromuscular electrical stimulation

et al. 2011

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Introduction: Neuromuscular electrical stimulation (NMES) has been shown to be an effective treatment for muscular dysfunction. Yet, a fundamental barrier to NMES treatments is the rapid onset of muscle fatigue. The purpose of this study is to examine the effect of feedback-based frequency modulation on the closed-loop performance of the quadriceps during repeated dynamic contractions. Methods: In the first experiment, subjects completed four different frequency modulation NMES protocols utilizing the same amplitude modulation control to compare the successful run times (SRTs). A second experiment was performed to determine the change in muscle response to high-and low-frequency stimulation. Results: Compared with constant-frequency stimulation, results indicate that using an error-driven strategy to vary the stimulation frequency during amplitude modulation increases the number of successful contractions during non-isometric conditions. Conclusion: Simultaneous frequency and amplitude modulation increases the SRT during closed-loop NMES control.

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Effect of functional electrical stimulation on the effort and walking speed, surface electromyography activity, and metabolic responses in stroke subjects

Cited by 55 publications

References 34 publications

Changes in center of pressure displacement with the use of a foot drop stimulator in individuals with stroke

Changes in center of pressure displacement with the use of a foot drop stimulator in individuals with stroke

Nonlinear analysis of electromyogram following gait training with myoelectrically triggered neuromuscular electrical stimulation in stroke survivors

A novel modulation strategy to increase stimulation duration in neuromuscular electrical stimulation

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