Reachable workspace analysis is a potential measurement for impairment of the upper extremity in neuralgic amyotrophy

IJspeert, Jos; Lustenhouwer, Renee; Janssen, Ramon; Han, Jay J.; Hatch, Maya N.; Cameron, Ian; Helmich, Rick C.; Engelen, B.G.M. van; Wees, Philip J. van der; Geurts, Alexander C. H.; Alfen, Nens van; Groothuis, Jan T.

doi:10.1002/mus.27651

Cited by 2 publications

(1 citation statement)

References 30 publications

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“…We used the three-dimensional (3D) reachable workspace as an objective measure of upper extremity active range of motion. It quantifies the relative 3D surface area representing the portion of a hemisphere that is covered by arm and hand movements during a standardised movement protocol 23 24. Scores range from 0 to 1, divided over four quadrants, with higher scores indicating greater active range of motion.…”

Section: Methodsmentioning

confidence: 99%

Effectiveness of an outpatient rehabilitation programme in patients with neuralgic amyotrophy and scapular dyskinesia: a randomised controlled trial

Janssen¹,

Lustenhouwer

Cup

et al. 2023

J Neurol Neurosurg Psychiatry

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BackgroundNeuralgic amyotrophy (NA) is an acute inflammation of nerves within the brachial plexus territory leading to severe pain and multifocal paresis resulting in >60% of patients having residual complaints and functional limitations correlated with scapular dyskinesia. Our primary aim was to compare the effects of multidisciplinary rehabilitation (MR), focused on motor relearning to improve scapular dyskinesia and self-management strategies for reducing pain and fatigue, with usual care (UC) on shoulder, arm and hand functional capability in patients with NA.MethodsIn a non-blinded randomised controlled trial (RCT), patients with NA (aged≥18 years, scapular dyskinesia, >8 weeks after onset) were randomised to either an MR or an UC group. MR consisted of a diagnostic multidisciplinary consultation and eight sessions of physical and occupational therapy. Primary outcome was functional capability of the shoulder, arm and hand assessed with the Shoulder Rating Questionnaire–Dutch Language Version (SRQ-DLV).ResultsWe included 47 patients with NA; due to drop-out, there were 22 participants in MR and 15 in UC for primary analysis. The mean group difference adjusted for sex, age and SRQ-DLV baseline score was 8.60 (95%CI: 0.26 to 16.94, p=0.044). The proportion attaining a minimal clinically relevant SRQ-DLV improvement (≥12) was larger for the MR group (59%) than the UC group (33%) with a number needed to treat of 4.ConclusionThis RCT shows that an MR programme focused on motor relearning to improve scapular dyskinesia, combined with self-management strategies for reducing pain and fatigue, shows more beneficial effects on shoulder, arm and hand functional capability than UC in patients with NA.Trial registration numberNCT03441347.

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Section: Methodsmentioning

confidence: 99%

Effectiveness of an outpatient rehabilitation programme in patients with neuralgic amyotrophy and scapular dyskinesia: a randomised controlled trial

Janssen¹,

Lustenhouwer

Cup

et al. 2023

J Neurol Neurosurg Psychiatry

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Reachable workspace analysis is a potential measurement for impairment of the upper extremity in neuralgic amyotrophy

IJspeert

Lustenhouwer

Janssen³

et al. 2022

Muscle and Nerve

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Introduction/Aims: Neuralgic amyotrophy (NA) is a multifocal neuropathy involving the nerves of the upper extremity, limiting functional capability and reducing range of motion. The reachable workspace (RWS) is a computerized three-dimensinal analysis system that evaluates the relative surface area (RSA) of an individual's arm reachability and has shown utility in several neuromuscular disorders. The aims of this study were to examine the ability of the RWS to quantitatively detect limitations in upper extremity active range of motion in patients with NA, and correlate these with other upper extremity functional outcome measures. Methods: Forty-seven patients with NA and 25 healthy age-and sex-matched controls were measured with the RWS. Study participants' RSAs were correlated with scores on the Shoulder Rating Questionnaire (SRQ), the Disabilities of Arm Shoulder and Hand (DASH) questionnaire, and upper extremity strength measurements using hand-held dynamometry.Results: Patients with NA showed significantly lower values in the affected arm for all quadrants (except for the ipsilateral lower quadrant) and total RSA compared with controls (P < 0.001). We found moderate correlations between the reachable workspace, the DASH questionnaire result (r = À0.415), and serratus anterior muscle strength (r = 0.414).Discussion: RWS is able to detect limitations in active range of motion of the affected arm in patients with NA, and is moderately correlated with upper extremity functional measures. RWS can demonstrate impairment of the affected upper extremity in NA and it has potential as a clinical outcome measure.

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Reachable workspace analysis is a potential measurement for impairment of the upper extremity in neuralgic amyotrophy

Cited by 2 publications

References 30 publications

Effectiveness of an outpatient rehabilitation programme in patients with neuralgic amyotrophy and scapular dyskinesia: a randomised controlled trial

Effectiveness of an outpatient rehabilitation programme in patients with neuralgic amyotrophy and scapular dyskinesia: a randomised controlled trial

Reachable workspace analysis is a potential measurement for impairment of the upper extremity in neuralgic amyotrophy

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