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Reachable workspace in facioscapulohumeral muscular dystrophy (FSHD) by Kinect.

ABSTRACT: A depth-ranging sensor (Kinect) based upper extremity motion analysis system was applied to determine the spectrum of reachable workspace encountered in facioscapulohumeral muscular dystrophy (FSHD).Reachable workspaces were obtained from 22 individuals with FSHD and 24 age- and height-matched healthy controls. To allow comparison, total and quadrant reachable workspace relative surface areas (RSAs) were obtained by normalizing the acquired reachable workspace by each individual's arm length.Significantly contracted reachable workspace and reduced RSAs were noted for the FSHD cohort compared with controls (0.473?±?0.188 vs. 0.747?±?0.082; P?

SUBMITTER: Han JJ

PROVIDER: S-EPMC4233016 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Reachable workspace in facioscapulohumeral muscular dystrophy (FSHD) by Kinect.

Han Jay J JJ Kurillo Gregorij G Abresch Richard T RT de Bie Evan E Nicorici Alina A Bajcsy Ruzena R

Muscle & nerve 20141119 2

<h4>Introduction</h4>A depth-ranging sensor (Kinect) based upper extremity motion analysis system was applied to determine the spectrum of reachable workspace encountered in facioscapulohumeral muscular dystrophy (FSHD).<h4>Methods</h4>Reachable workspaces were obtained from 22 individuals with FSHD and 24 age- and height-matched healthy controls. To allow comparison, total and quadrant reachable workspace relative surface areas (RSAs) were obtained by normalizing the acquired reachable workspac ...[more]

PMID: 24828906

Similar Datasets

Reachable workspace reflects dynamometer-measured upper extremity strength in facioscapulohumeral muscular dystrophy.

Project description:It is not known whether a reduction in reachable workspace closely reflects loss of upper extremity strength in facioscapulohumeral muscular dystrophy (FSHD). In this study we aimed to determine the relationship between reachable workspace and quantitative upper extremity strength measures.Maximal voluntary isometric contraction (MVIC) testing of bilateral elbow flexion and shoulder abduction by hand-held dynamometry was performed on 26 FSHD and 27 control subjects. In addition, Kinect sensor-based 3D reachable workspace relative surface areas (RSAs) were obtained. Loading (500-g weight) effects on reachable workspace were also evaluated.Quantitative upper extremity strength (MVIC of elbow flexion and shoulder abduction) correlated with Kinect-acquired reachable workspace RSA (R?=?0.477 for FSHD, P?=?0.0003; R?=?0.675 for the combined study cohort, P?<?0.0001). Progressive reduction in RSA reflected worsening MVIC measures. Loading impacted the moderately weak individuals the most with additional reductions in RSA.Reachable workspace outcome measure is reflective of upper extremity strength impairment in FSHD.

| S-EPMC4575235 | biostudies-literature

Longitudinal study of upper extremity reachable workspace in fascioscapulohumeral muscular dystrophy.

Project description:Facioscapulohumeral Dystrophy (FSHD) results in slowly progressive strength impairment, especially the upper extremities. Recent discoveries regarding pathophysiology have led to exciting novel therapeutic strategies. To further facilitate drug development, improved FSHD outcome measures that are functionally-relevant and sensitive to longitudinal change will be critical. Recently, a motion sensor (Kinect)-based upper extremity outcome called 'reachable workspace' that provides a quantitative reconstruction of an individual's reachability was developed. In this study, changes in reachable workspace were tracked upwards for five-years in 18 FSHD subjects. Results show -1.63 %/year decline in total reachable workspace (p = 0.144); with most notable decline in the above-the-shoulder level quadrants (upper-lateral Q3: -9.5 %/year, p < 0.001 and upper-medial Q1: -6.8 %/ year, p = 0.063) with no significant changes in the lower quadrants (Q2, Q4). Reachable workspace declined more significantly if the subjects were challenged with 500 g wrist weights: total reachable workspace: -1.82 %/year, p = 0.039; Q1: -7.20 %/year, p = 0.041; Q3: -8.09 %/year, p = 0.001. Importantly, reachable workspace outcome was also able to distinguish subgroups in FSHD: mildly- and severely-affected with essentially unchanging reachability over years, and moderately-affected who demonstrate the most detectable changes longitudinally. The study demonstrates utility for measuring declines in upper quadrant reachability, and provides enrichment/stratification of FSHD populations most likely to show treatment effects in clinical trials.

| S-EPMC6996236 | biostudies-literature

Reachable workspace and performance of upper limb (PUL) in duchenne muscular dystrophy.

Project description:The Kinect-based reachable workspace relative surface area (RSA) is compared with the performance of upper limb (PUL) assessment in Duchenne muscular dystrophy (DMD).29 individuals with DMD (ages: 7-23; Brooke: 1-5) underwent both Kinect-based reachable workspace RSA and PUL assessments. RSAs were also collected from 24 age-matched controls. Total and quadrant RSAs were compared with the PUL total, shoulder-, middle-, and distal-dimension scores.The total reachable workspace RSA correlated well with the total PUL score (Spearman ? = -0.602; P < 0.001), and with each of the PUL dimensional scores: shoulder (? = -0.624; P < 0.001), middle (? = -0.564; P = 0.001), and distal (? = -0.630; P < 0.001). With quadrant RSA, reachability in a particular quadrant was closely associated with respective PUL dimensional-level function (lateral-upper quadrant for shoulder-, lateral-upper/lower quadrants for middle-, and lateral-lower quadrant for distal-level function).This study demonstrates concurrent validity of the reachable workspace outcome measure (RSA) with the DMD-specific upper extremity outcome measure (PUL).

| S-EPMC4779432 | biostudies-literature

Orofacial Muscle Weakening in Facioscapulohumeral Muscular Dystrophy (FSHD) Patients.

Project description:Facioscapulohumeral muscular dystrophy is the third most commonly found type of muscular dystrophy. The aim of this study was to correlate the D4Z4 repeat array fragment size to the orofacial muscle weakening exhibited in a group of patients with a genetically supported diagnosis of FSHD. Molecular genetic analysis was performed for 52 patients (27 female and 25 male) from a group that consisted of 36 patients with autosomal dominant pedigrees and 16 patients with either sporadic or unknown family status. The patients were tested with the southern blotting technique, using EcoRI/Avrll double digestion, and fragments were detected by a p13E-11 telomeric probe. Spearman's correlation was used to compare the fragment size with the degree of muscle weakening found in the forehead, periocular and perioral muscles. A positive non-significant correlation between the DNA fragment size and severity of muscle weakness was found for the forehead (r = 0.27; p = 0187), the periocular (r = 0.24; p = 0.232) and the left and right perioral (r = 0.29; p = 0.122), (r = 0.32; p = 0.085) muscles. Although FSHD patients exhibited a decrease in muscular activity related to the forehead, perioral, and periocular muscles the genotype-phenotype associations confirmed a weak to moderate non-significant correlation between repeat size and the severity of muscle weakness. Orofacial muscle weakening and its association with a D4Z4 contraction alone may not have the significance to serve as a prognostic biomarker, due to the weak to moderate association. Further studies with larger sample sizes are needed to determine the degree of genetic involvement in the facial growth in FSHD patients.

| S-EPMC8774153 | biostudies-literature

Patient-Reported Symptoms in Facioscapulohumeral Muscular Dystrophy (PRISM-FSHD).

Project description:ObjectiveTo determine the frequency and relative importance of the most meaningful symptoms in facioscapulohumeral muscular dystrophy (FSHD) and to identify the demographic and clinical features that are associated with the greatest disease burden in this population.MethodsWe performed a cross-sectional study involving 328 participants with FSHD. Collectively, participants reported the prevalence and relative importance of 274 symptoms and 15 symptomatic themes. We assessed the association between symptomatic theme prevalence and participants' age, sex, disease duration, pain level, employment status, and education.ResultsParticipants answered >48,000 questions regarding their disease burden. The symptomatic themes with the highest prevalence in our sample were problems with shoulders or arms (96.9%), limitations with activities (94.7%), core weakness (93.8%), fatigue (93.8%), limitations with mobility and walking (93.6%), changed body image due to the disease (91.6%), and pain (87.7%). Problems with shoulders and arms and limitations with mobility and walking had the greatest effect on participants' lives. Employment status and the report of pain had the most extensive association with the prevalence of symptoms, with employment being associated with 8 of 15 of the symptomatic themes and pain being associated with 7 of 15 of the symptomatic themes. Men and women with FSHD experienced a similar prevalence of all symptomatic themes.ConclusionsAdults with FSHD experience a variety of symptoms that play an important role in their disease burden. These symptoms have a variable prevalence and importance in the FSHD population and are associated with disease duration, employment status, and pain level.

| S-EPMC6808532 | biostudies-literature

Upper extremity 3-dimensional reachable workspace analysis in dystrophinopathy using Kinect.

Project description:An innovative upper extremity 3-dimensional (3D) reachable workspace outcome measure acquired using the Kinect sensor is applied toward Duchenne/Becker muscular dystrophy (DMD/BMD). The validity, sensitivity, and clinical meaningfulness of this novel outcome measure are examined.Upper extremity function assessment (Brooke scale and NeuroQOL questionnaire) and Kinect-based reachable workspace analyses were conducted in 43 individuals with dystrophinopathy (30 DMD and 13 BMD, aged 7-60 years) and 46 controls (aged 6-68 years).The reachable workspace measure reliably captured a wide range of upper extremity impairments encountered in both pediatric and adult, as well as ambulatory and non-ambulatory individuals with dystrophinopathy. Reduced reachable workspaces were noted for the dystrophinopathy cohort compared with controls, and they correlated with Brooke grades. In addition, progressive reduction in reachable workspace correlated directly with worsening ability to perform activities of daily living, as self-reported on the NeuroQOL.This study demonstrates the utility and potential of the novel sensor-acquired reachable workspace outcome measure in dystrophinopathy.

| S-EPMC4506893 | biostudies-literature

Facioscapulohumeral Muscular Dystrophy (FSHD): Wellstone Study

Project description:Facioscapulohumeral Muscular Dystrophy (FSHD): Wellstone Study

| PRJNA731943 | ENA

The facioscapulohumeral muscular dystrophy Rasch-built overall disability scale (FSHD-RODS).

Project description:Background and objectivesFacioscapulohumeral muscular dystrophy (FHSD) is a debilitating inherited muscle disease for which various therapeutic strategies are being investigated. Thus far, little attention has been given in FSHD to the development of scientifically sound outcome measures fulfilling regulatory authority requirements. The aim of this study was to design a patient-reported Rasch-built interval scale on activity and participation for FSHD.MethodsA pre-phase FSHD-Rasch-built overall disability scale (pre-FSHD-RODS; consisting of 159 activity/participation items), based on the World Health Organization international classification of disease-related functional consequences was completed by 762 FSHD patients (Netherlands: n = 171; UK: n = 287; United States: n = 221; France: n = 52; Australia: n = 32). A proportion of the patient cohort completed it twice (n = 230; interval 2-4 weeks; reliability studies). The pre-FSHD-RODS was subjected to Rasch analyses to create a model fulfilling its requirements. Validity studies were performed through correlation with the motor function measure.ResultsThe pre-FSHD-RODS did not meet the Rasch model expectations. Based on determinants such as misfit statistics and misfit residuals, differential item functioning, and local dependency, we systematically removed items until a final 38-inquiry (originating from 32 items; six items split) FSHD-RODS was constructed achieving Rasch model expectations. Adequate test-retest reliability and (cross-cultural and external) validity scores were obtained.ConclusionsThe FSHD-RODS is a disease-specific interval measure suitable for detecting activity and participation restrictions in patients with FSHD with good item/person reliability and validity scores. The use of this scale is recommended in the near future, to determine the functional deterioration slope in FSHD per year as a preparation for the upcoming clinical intervention trials in FSHD.

| S-EPMC8251612 | biostudies-literature

Transcription profiling of human Facioscapulohumeral muscular dystrophy (FSHD) muscle profiles

Project description:Facioscapulohumeral muscular dystrophy (FSHD) is an autosomal dominant disorder linked to contractions of the D4Z4 repeat array in the subtelomeric region of chromosome 4q. By comparing genome-wide gene expression data from muscle biopsies of patients with FSHD to those of 11 other neuromuscular disorders, we intend to identify disease-specific changes which are more likely to be involved in the early stages of the disease progression. The data will help to identify pathological mechanisms involved in FSHD. Experiment Overall Design: Comparison of the profiles of FSHD to 13 other conditions for disease-specific changes. The 13 conditions are NHM (Normal healthy muscle) n=15; JDM (Juvenile dermatomyositis) n=25; HSP (Human spastic paraplegia) n=4; FSHD (facioscapulohumeral dystrophy) unaffected n=5, affected n=9; FKRP (Fukutin related protein deficiency) n=7; ED-L (Emery-Dreifuss muscular dystrophy, lamin A/C deficiency) n=4; ED-E (Emery-Dreifuss muscular dystrophy, emerin deficiency) n=4; DYSF (dysferlinopathy) n=10; DMD (Duchenne Muscular Dystrophy) n=10; CALP (Calpain-3 deficiency) n=10; BMD (Becker Muscular Dystrophy) n=5; AQM (Acute quadriplegic myopathy) n=5; ALS (Amyotrophic lateral sclerosis) n=9.

2008-06-16 | E-GEOD-9397 | biostudies-arrayexpress

The mapping of chromosome 4q markers in relation to facioscapulohumeral muscular dystrophy (FSHD).

Project description:Four DNA markers on the distal long arm of chromosome 4 have been analyzed for their linkage relationship to facioscapulohumeral muscular dystrophy (FSHD) in a series of 23 families with this disease. Two hypervariable markers, pH30 (D4S139) and EFD 139.1 (D4S184), both show close linkage with the disorder, with a maximum recombination fraction (theta max) of .02 and a maximum lod score (Zmax) of 36.77 and 34.50, respectively; two other markers, the locus for factor XI (F11) and the microsatellite marker Mfd22 (D4S171), both show less close linkage, with respective theta max of .16 (Zmax = 3.40) for F11 and .24 (Zmax = 1.61) for D4S171. While the relative ordering and orientation of the loci on the chromosome remain provisional, analysis of 15 individual recombination events in seven families supports the order D4S171-F11-D4S184-D4S139-FSHD, with the disease locus telomeric to all four markers.

| S-EPMC1682684 | biostudies-literature

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