The design of a force platform for clinical use: a feasibility study of stabilography in evaluating the effect of orthotic intervention in Duchenne muscular dystrophy

Barrett, Ruth; Hyde, Stephanie; Hark, W. B.

doi:10.3109/03091908709062798

Cited by 7 publications

(7 citation statements)

References 4 publications

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“…The spatial accuracy was measured by Barrett et al (1987) and Mita et al (1993) by placing different magnitudes of calibrated loads on the co-ordinate of interest. The loads were then removed and reapplied on the next co-ordinate of interest.…”

Section: Quality Control Test Proceduresmentioning

confidence: 99%

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A quality control procedure for force platforms

Browne

O’Hare

2000

Physiol. Meas.

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A force platform is a technical method of quantitatively assessing balance indirectly. The use of force platforms in physiotherapy departments has become more prominent over the last few years. However, the main drawback in the use of force platforms is the lack of comprehensive calibration procedures, which casts doubt on the results obtained with these systems. Existing calibration tests are limited to testing the spatial accuracy of the force platform. This paper describes a comprehensive quality control test procedure which was developed. It is proposed that the developed quality control test procedure could be used to test all types of force platform and it includes a description of how the tests should be carried out, the frequency with which they should be carried out and the expected performance for each of the tests as recommended for the most part by the Association Francaise de Posturologie.

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Section: Quality Control Test Proceduresmentioning

confidence: 99%

“…The accuracy of the COP measurements should be accurate to within 1 mm when a 10 kg load is placed 10 cm out from the mechanical centre of the force platform (Bizzo et al 1985, Barrett et al 1987, Mita et al 1993, Starck et al 1993, Gill and O'Connor 1997.…”

Section: Quality Control Test Proceduresmentioning

confidence: 99%

A quality control procedure for force platforms

Browne

O’Hare

2000

Physiol. Meas.

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“…Computerized dynamic posturography is a highly specialized, noninvasive assessment technique used to measure the adaptive mechanisms of the central nervous system, and to objectively quantify and differentiate among the wide variety of possible sensory, motor, and central adaptive impairments to balance control. Good examples of this technique can be found in the stabilograph [12], accelerometer [13], three-dimensional motion analysis system [14], and EquiTest [15–19].…”

Section: Introductionmentioning

confidence: 99%

Reliability and validity of a force-instrumented treadmill for evaluating balance: A preliminary study of feasibility in healthy young adults

Zhou

Kondo

Mukaino

et al. 2017

Hong Kong Physiotherapy Journal

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Background: With the development of computer technology, computerized dynamic posturography provides objective assessments of balance and posture control under static and dynamic conditions. Although a force-instrumented treadmill-based balance assessment is feasible for balance evaluations, currently no data exists. Objective: This study was undertaken to assess the reliability and validity of balance evaluations using a force-instrumented treadmill. Methods: Ten healthy adults participated in evaluations using both the treadmill and the EquiTest. Four balance evaluations were conducted: Modified Clinical Test of Sensory Interaction on Balance, Unilateral Stance, Weight Bearing Squat, and Motor Control Test. Results: All balance evaluations using the force-instrumented treadmill method shared good reliability (intraclass correlation coefficient ≥0.6). The Modified Clinical Test of Sensory Interaction on Balance, Unilateral Stance, and Weight Bearing Squat evaluations had a correlation of r < 0.5 with EquiTest, whereas the Motor Control Test balance evaluation had moderate correlations ( r > 0.5) with the EquiTest. Conclusion: The results demonstrated that all balance evaluations using the force-instrumented treadmill were reliable, and that the Motor Control Test evaluation was moderately correlated with the EquiTest. Therefore, the use of a force-instrumented treadmill in balance evaluations might provide a certain level of value to clinical practice.

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“…Although recent studies indicate the existence of a relationship between balance tests and motor functions 6 , the repercussions of postural deviations on quiet standing in children with neuromuscular diseases have been little investigated 7 . Barrett et al 7 studied static balance in 8 children with DMD using the force platform, comparing their performance with and without a knee-ankle-foot orthosis. The use of the orthosis increased postural stability, with the center of mass (CoM) projecting closer to the ankle joint.…”

Section: Introductionmentioning

confidence: 99%

Postural alignment in children with Duchenne muscular dystrophy and its relationship with balance

Baptista¹,

Costa²,

Pizzato³

et al. 2014

Braz. J. Phys. Ther.

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BackgroundIn Duchenne muscular dystrophy, functional deficits seem to arise from body misalignment, deconditioning, and obesity secondary to weakness and immobility. The question remains about the effects of postural deviations on the functional balance of these children. ObjectivesTo identify and quantify postural deviations in children with DMD in comparison to non-affected children (eutrophic and overweight/obese), exploring relationships between posture and function.MethodThis case-control study evaluated 29 participants aged 6 to 11 years: 10 DMD (DG), 10 eutrophic (EG), and 9 overweight/obese (OG). Digital photogrammetry and SAPo program were used to measure postural alignment and the Pediatric Balance Scale (PBS) was used to measure balance. The Kruskall-Wallis and Dunn post-hoc tests were used for inter-group comparison of posture and balance. Spearman's coefficient tested the correlation between postural and balance variables. ResultsThe horizontal pelvic alignment data indicated that the anteversion of the DG was similar to that of the OG and twice that of the EG (p<0.05). Compared to the EG, the DG and OG showed an increased forward position of the center of mass (p<0.05). There was a moderate and weak correlation between the PBS score and horizontal pelvic alignment (0.58 and 0.47-left/right). The PBS showed a weak correlation with asymmetries in the sagittal plane (-0.39). The PBS scores for the OG and EG suggest that obesity did not have a deleterious effect on balance. ConclusionsThe balance deficit in children with DMD was accompanied by an increased forward position of the center of mass and significant pelvic anteversion that constitutes a compensatory strategy to guarantee similar performance to the children not affected by the disease.

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The design of a force platform for clinical use: a feasibility study of stabilography in evaluating the effect of orthotic intervention in Duchenne muscular dystrophy

Cited by 7 publications

References 4 publications

A quality control procedure for force platforms

A quality control procedure for force platforms

Reliability and validity of a force-instrumented treadmill for evaluating balance: A preliminary study of feasibility in healthy young adults

Postural alignment in children with Duchenne muscular dystrophy and its relationship with balance

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