Quantification of non-standard EMG patterns

Hof, At L.; Grimmius, W.; Elzinga, Harmke; Halbertsma, Jan P.K.

doi:10.1016/s0966-6362(99)90440-x

Cited by 4 publications

(5 citation statements)

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“…When the profiles of several subjects are averaged, however, the deviant peaks may well have been so smoothed as to be no longer significant. This is why a method has been developed to quantify "nonstandardness" in individual EMG profiles [14,15,16].…”

Section: Discussionmentioning

confidence: 99%

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Atypical hamstrings electromyographic activity as a compensatory mechanism in anterior cruciate ligament deficiency

Boerboom¹,

Hof

Halbertsma

et al. 2001

Knee Surg Sports Traumatol Art

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Anterior cruciate ligament (ACL) deficiency may cause functional instability of the knee (noncopers), while other patients compensate and perform at the same level as before injury (copers). This pilot study investigated whether there is a compensatory electromyographic (EMG) activity of the hamstrings in copers, noncopers and control patients. Ten patients with an ACL deficiency were equally divided into two groups of copers and noncopers. All patients underwent gait analysis with EMG of six muscles around the knee. Ten healthy young men formed the control group. In contrast to noncopers, copers showed an atypical semitendinosus activity during stance phase; the corresponding trend was found in biceps femoris activity. There was no difference between copers and controls in knee extension during stance phase. The noncopers had less knee extension. Atypical hamstring muscle activity may thus be a compensatory mechanism by which copers enable themselves to perform on a normal level.

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Section: Discussionmentioning

confidence: 99%

“…1). A more extensive description of the procedure has been given by Hof et al [14,15,16]. When the pro- …”

Section: Methods Of Quantification Of Emg Datamentioning

confidence: 99%

Atypical hamstrings electromyographic activity as a compensatory mechanism in anterior cruciate ligament deficiency

Boerboom¹,

Hof

Halbertsma

et al. 2001

Knee Surg Sports Traumatol Art

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“…As a person ages, his/her muscles fail to generate enough force to sustain Gait motions, which involve stepwise movement of the body in order to thrust the body forward.The entire surfaceofthe bodytoa mere5%of the206bonesinthe humanbonedensityof 52to 95% ofyour bodyto beartheloadof theuprightposture andgaitinhumansserve asthe largest [2].For this reason,A Study on according to thewalking speedongait analysisof thekinematics ofthe EMG, kineticstudies ofthe characteristics ofvariables, was conductedbymany scholars.) [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

A Study on Kinetic Changes when Applying Vibratory Stimulation on Somatosensory for Gait

Park

Kim

et al. 2014

AMM

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The gait disorder system for the elderly that applies external stimulation often shows only limited patient outcomes, while prescribed medicines or physical therapies performed by professional therapists are effective in improving sensory functions and the ability to walk of the elderly. One alternative that could be considered in solving this problem is applying additional stimulation from outside of the body onto the sensory receptors distributed on the skin, inducing improvement in the ability to walk and in other motor capabilities that allow the elderly to perform routine tasks. The purpose of this study is to measure the reactions of the body to stimulation applied to the somatosensory system, which is related to the surface of the human body, and to apply such measurements to improve one's ability to walk.

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“…Several studies already showed that lower limb EMG profiles [1][2][3], kinematics and kinetics [3,4] depend strongly on walking speed. The interest in full-body gait analysis is growing but data on how speed affects upper body movements are lacking.…”

Section: Introductionmentioning

confidence: 99%

“…However, clinical implementation of any measurement method requires the establishment of its psychometric properties, especially in patient groups. The aim of this study was to test the reliability of a previously described upper limb 3DMA [1] in a group of children with HCP.…”

Section: Introductionmentioning

confidence: 99%