{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T10:16:42Z","timestamp":1777889802892,"version":"3.51.4"},"reference-count":0,"publisher":"SAGE Publications","issue":"4-5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["VES"],"published-print":{"date-parts":[[2013,11,1]]},"abstract":"<jats:p>When arm and trunk segments are involved in reaching for objects within arm's reach, vestibulospinal pathways compensate for trunk motion influence on arm movement. This compensatory arm-trunk synergy is characterised by a gain coefficient of 0 to 1. Vestibular patients have less efficient arm-trunk synergies and lower gains. To assess the clinical usefulness of the gain measure, we used a portable ultrasound-based device to characterize arm-trunk coordination deficits in vestibular patients. Arm-trunk coordination without vision was measured in a Stationary Hand Task where hand position was maintained during trunk movement, and a Reaching Task with and without trunk motion. Twenty unilateral vestibular patients and 16 controls participated. For the Stationary Hand task, patient gains ranged from g=0.94 (good compensation) to 0.31 (poor compensation) and, on average, were lower than in controls (patients: 0.67 \u00b1 0.19; controls: 0.85 \u00b1 0.07; p&lt; 0.01). Gains were significantly correlated with clinical tests (Sensory Organization; r=0.62, p&lt; 0.01, Foam Romberg Eyes Closed; r=0.65, p&lt; 0.01). For the Reaching Task, blocking trunk movement during reaching modified hand position significantly more in patients (8.2 \u00b1 4.3 cm) compared to controls (4.5 \u00b1 1.7 cm, p&lt; 0.02) and the amount of hand position deviation was correlated with the degree of vestibular loss in a sub-group (n=14) of patients. Measurement of the Stationary Task arm-trunk gain and hand deviations during the Reaching Task can help characterize sensorimotor problems in vestibular-deficient patients and track recovery following therapeutic interventions. The ultrasound-based portable device is suitable for measuring vestibulospinal deficits in arm-trunk coordination in a clinical setting.<\/jats:p>","DOI":"10.3233\/ves-130485","type":"journal-article","created":{"date-parts":[[2019,12,2]],"date-time":"2019-12-02T18:03:05Z","timestamp":1575309785000},"page":"237-247","source":"Crossref","is-referenced-by-count":9,"title":["Arm-trunk coordination as a measure of vestibulospinal efficiency"],"prefix":"10.1177","volume":"23","author":[{"given":"Tafadzwa M.","family":"Sibindi","sequence":"first","affiliation":[{"name":"Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada"},{"name":"CRIR Research Centre \u2013 Jewish Rehabilitation Hospital, Laval, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tal","family":"Krasovsky","sequence":"additional","affiliation":[{"name":"Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada"},{"name":"CRIR Research Centre \u2013 Jewish Rehabilitation Hospital, Laval, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anatol G.","family":"Feldman","sequence":"additional","affiliation":[{"name":"Department of Physiology, University of Montreal, Montreal, QC, Canada"},{"name":"CRIR Research Centre \u2013 Jewish Rehabilitation Hospital, Laval, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elizabeth","family":"Dannenbaum","sequence":"additional","affiliation":[{"name":"CRIR Research Centre \u2013 Jewish Rehabilitation Hospital, Laval, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anthony","family":"Zeitouni","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology-Head and Neck Surgery, Royal Victoria Hospital, McGill University, Montreal, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mindy F","family":"Levin","sequence":"additional","affiliation":[{"name":"School of Physical and Occupational Therapy, McGill University, Montreal, QC, Canada"},{"name":"CRIR Research Centre \u2013 Jewish Rehabilitation Hospital, Laval, QC, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","container-title":["Journal of Vestibular Research"],"original-title":[],"link":[{"URL":"https:\/\/content.iospress.com\/download?id=10.3233\/VES-130485","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T05:21:59Z","timestamp":1777612919000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/full\/10.3233\/VES-130485"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,11,1]]},"references-count":0,"journal-issue":{"issue":"4-5"},"URL":"https:\/\/doi.org\/10.3233\/ves-130485","relation":{},"ISSN":["1878-6464","0957-4271"],"issn-type":[{"value":"1878-6464","type":"electronic"},{"value":"0957-4271","type":"print"}],"subject":[],"published":{"date-parts":[[2013,11,1]]}}}