Assessment of a portable device for the quantitative measurement of ankle joint stiffness in spastic individuals
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Assessment of a portable device for the quantitative measurement of ankle joint stiffness in spastic individuals. / Lorentzen, Jakob; Grey, Michael J.; Geertsen, Svend S.; Biering-Sorensen, Fin; Brunton, Kelly; Gorassini, Monica; Nielsen, Jens Bo.
In: Clinical Neurophysiology, Vol. 123, No. 7, 2012, p. 1371-1382.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Assessment of a portable device for the quantitative measurement of ankle joint stiffness in spastic individuals
AU - Lorentzen, Jakob
AU - Grey, Michael J.
AU - Geertsen, Svend S.
AU - Biering-Sorensen, Fin
AU - Brunton, Kelly
AU - Gorassini, Monica
AU - Nielsen, Jens Bo
N1 - CURIS 2012 5200 008
PY - 2012
Y1 - 2012
N2 - OBJECTIVE: Spasticity is a common complication with neurological diseases and CNS lesions. Instrumented systems to evaluate spasticity often cannot provide an immediate result, thus limiting their clinical usefulness. In this study we investigated the accuracy and reliability of the portable Neurokinetics RA1 Ridgidity Analyzer to measure stiffness of the ankle joint in 46 controls, 14 spinal cord injured (SCI) and 23 multiple sclerosis (MS) participants. METHODS: Ankle stiffness measures were made twice by two raters, at speeds above and below the expected stretch reflex threshold. Ankle torque was measured with the portable device and a stationary torque motor. Inter- and intra-rater reliability was assessed with the intra-class correlation coefficient (ICC). RESULTS: Stiffness measures with the portable and stationary devices were significantly correlated for controls and MS participants (p
AB - OBJECTIVE: Spasticity is a common complication with neurological diseases and CNS lesions. Instrumented systems to evaluate spasticity often cannot provide an immediate result, thus limiting their clinical usefulness. In this study we investigated the accuracy and reliability of the portable Neurokinetics RA1 Ridgidity Analyzer to measure stiffness of the ankle joint in 46 controls, 14 spinal cord injured (SCI) and 23 multiple sclerosis (MS) participants. METHODS: Ankle stiffness measures were made twice by two raters, at speeds above and below the expected stretch reflex threshold. Ankle torque was measured with the portable device and a stationary torque motor. Inter- and intra-rater reliability was assessed with the intra-class correlation coefficient (ICC). RESULTS: Stiffness measures with the portable and stationary devices were significantly correlated for controls and MS participants (p
KW - Spasticity
KW - Spasticity evaluation
KW - Stiffness
KW - Spinal cord injury
KW - Multiple sclerosis
U2 - 10.1016/j.clinph.2011.11.001
DO - 10.1016/j.clinph.2011.11.001
M3 - Journal article
C2 - 22119175
VL - 123
SP - 1371
EP - 1382
JO - Clinical Neurophysiology
JF - Clinical Neurophysiology
SN - 1388-2457
IS - 7
ER -
ID: 36076296