The validity and reliability of modelled neural and tissue properties of the ankle muscles in children with cerebral palsy

Sloot, Lizeth H.; Krogt, Marjolein M. van der; Groep, Karin de Gooijer-van de L.; Eesbeek, Stijn van; Groot, Jurriaan H. de; Buizer, Annemieke I.; Meskers, Carel G.M.; Becher, Jules G.; Vlugt, Erwin de; Harlaar, Jaap

doi:10.1016/j.gaitpost.2015.04.006

Cited by 32 publications

(46 citation statements)

References 25 publications

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“…In general, we found different results between the two measurement set‐ups, particularly in maximum acceleration and electrophysiological response to passive stretch. These differences in the measured signals would most likely result in different neural‐ and tissue‐related contributions to increased joint resistance estimated using neuromechanical models . The ankle's movement profile imposed during manual assessments seemed to better simulate the profile of the ankle during gait.…”

Section: Discussionmentioning

confidence: 99%

“…Manual instrumented tests that include measurement of joint velocity, imposed force, and muscle activity have been shown to considerably improve objectivity, resolution, and precision of the clinical tests . Instrumented measurements facilitate quantification of the muscle response, standardization of the imposed movement by providing feedback, and the possibility to apply neuromuscular models that estimate neural‐ and tissue‐related contributions . Aside from manual instrumented tests, motorized alternatives are available .…”

mentioning

confidence: 99%

“…Both manual and motorized instrumented assessments have been separately examined in rehabilitation environments . This raises the question whether these different methods measure joint characteristics that are close enough to yield the same clinical conclusions.…”

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confidence: 99%

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Motorized versus manual instrumented spasticity assessment in children with cerebral palsy

Sloot

Bar‐On

Krogt

et al. 2016

Develop Med Child Neuro

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Motorized versus manual instrumented spasticity assessment in children with cerebral palsy

Sloot

Bar‐On

Krogt

et al. 2016

Develop Med Child Neuro

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“…Instrumented spasticity assessment was carried out using a motor‐driven footplate (MOOG, Nieuw‐Vennep, The Netherlands) . The patient was seated in an adjustable chair with the right foot fixed onto a custom designed adjustable footplate (Figure C).…”

Section: Investigationsmentioning

confidence: 99%

Comprehensive evaluation of gait, spasticity, and muscle morphology: A case report of a child with spastic paresis treated with Botulinum NeuroToxin‐A, serial casting, and physiotherapy

Weide

Sloot

Oudenhoven

et al. 2019

Clinical Case Reports

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Comprehensive instrumented muscle and joint assessments should be considered when prescribing Botulinum NeuroToxin‐A (BoNT‐A) treatment in spastic paresis. In a child with spastic paresis, comprehensive evaluation following treatment with BoNT‐A, serial casting, and physiotherapy showed that short‐term improvements in gait occurred without changes in muscle morphology. Rather, foot flexibility increased.

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“…Even though some researchers (Engsberg et al, 2007; Sloot et al, 2015) proposed the evaluation of spasticity in CP population using a mechatronic device, no studies, to the authors' knowledge, examined the spasticity of plantarflexor and dorsiflexor muscles in pediatric population by means of a mechatronic device, applying the TSRT approach.…”

Section: Introductionmentioning

confidence: 99%

Spasticity Measurement Based on Tonic Stretch Reflex Threshold in Children with Cerebral Palsy Using the PediAnklebot

Germanotta

Taborri

Rossi

et al. 2017

Front. Hum. Neurosci.

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Nowadays, objective measures are becoming prominent in spasticity assessment, to overcome limitations of clinical scales. Among others, Tonic Stretch Reflex Threshold (TSRT) showed promising results. Previous studies demonstrated the validity and reliability of TSRT in spasticity assessment at elbow and ankle joints in adults. Purposes of the present study were to assess: (i) the feasibility of measuring TSRT to evaluate spasticity at the ankle joint in children with Cerebral Palsy (CP), and (ii) the correlation between objective measures and clinical scores. A mechatronic device, the pediAnklebot, was used to impose 50 passive stretches to the ankle of 10 children with CP and 3 healthy children, to elicit muscles response at 5 different velocities. Surface electromyography, angles, and angular velocities were recorded to compute dynamic stretch reflex threshold; TSRT was computed with a linear regression through angles and angular velocities. TSRTs for the most affected side of children with CP resulted into the biomechanical range (95.7 ± 12.9° and 86.7 ± 17.4° for Medial and Lateral Gastrocnemius, and 75.9 ± 12.5° for Tibialis Anterior). In three patients, the stretch reflex was not elicited in the less affected side. TSRTs were outside the biomechanical range in healthy children. However, no correlation was found between clinical scores and TSRT values. Here, we demonstrated the capability of TSRT to discriminate between spastic and non-spastic muscles, while no significant outcomes were found for the dorsiflexor muscle.

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The validity and reliability of modelled neural and tissue properties of the ankle muscles in children with cerebral palsy

Cited by 32 publications

References 25 publications

Motorized versus manual instrumented spasticity assessment in children with cerebral palsy

Motorized versus manual instrumented spasticity assessment in children with cerebral palsy

Comprehensive evaluation of gait, spasticity, and muscle morphology: A case report of a child with spastic paresis treated with Botulinum NeuroToxin‐A, serial casting, and physiotherapy

Spasticity Measurement Based on Tonic Stretch Reflex Threshold in Children with Cerebral Palsy Using the PediAnklebot

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