{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T14:48:23Z","timestamp":1779202103610,"version":"3.51.4"},"reference-count":46,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2024,9,4]],"date-time":"2024-09-04T00:00:00Z","timestamp":1725408000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ANR-DGA-ASTRID","award":["ANR-20-ASTR-0012-1"],"award-info":[{"award-number":["ANR-20-ASTR-0012-1"]}]},{"name":"ANR-DGA-ASTRID","award":["ANR-23-CE19-0031-01"],"award-info":[{"award-number":["ANR-23-CE19-0031-01"]}]},{"name":"ANR-PRCE","award":["ANR-20-ASTR-0012-1"],"award-info":[{"award-number":["ANR-20-ASTR-0012-1"]}]},{"name":"ANR-PRCE","award":["ANR-23-CE19-0031-01"],"award-info":[{"award-number":["ANR-23-CE19-0031-01"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biomimetics"],"abstract":"<jats:p>Traditional myoelectric controls of trans-humeral prostheses fail to provide intuitive coordination of the necessary degrees of freedom. We previously showed that by using artificial neural network predictions to reconstruct distal joints, based on the shoulder posture and movement goals (i.e., position and orientation of the targeted object), participants were able to position and orient an avatar hand to grasp objects with natural arm performances. However, this control involved rapid and unintended prosthesis movements at each modification of the movement goal, impractical for real-life scenarios. Here, we eliminate this abrupt change using novel methods based on an angular trajectory, determined from the speed of stump movement and the gap between the current and the \u2018goal\u2019 distal configurations. These new controls are tested offline and online (i.e., involving participants-in-the-loop) and compared to performances obtained with a natural control. Despite a slight increase in movement time, the new controls allowed twelve valid participants and six participants with trans-humeral limb loss to reach objects at various positions and orientations without prior training. Furthermore, no usability or workload degradation was perceived by participants with upper limb disabilities. The good performances achieved highlight the potential acceptability and effectiveness of those controls for our target population.<\/jats:p>","DOI":"10.3390\/biomimetics9090532","type":"journal-article","created":{"date-parts":[[2024,9,4]],"date-time":"2024-09-04T05:54:47Z","timestamp":1725429287000},"page":"532","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Movement-Based Prosthesis Control with Angular Trajectory Is Getting Closer to Natural Arm Coordination"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1266-0570","authenticated-orcid":false,"given":"Effie","family":"Segas","sequence":"first","affiliation":[{"name":"University of Bordeaux, CNRS, INCIA, UMR, 5287 Bordeaux, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-0231-5777","authenticated-orcid":false,"given":"Vincent","family":"Leconte","sequence":"additional","affiliation":[{"name":"University of Bordeaux, CNRS, INCIA, UMR, 5287 Bordeaux, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7594-970X","authenticated-orcid":false,"given":"Emilie","family":"Doat","sequence":"additional","affiliation":[{"name":"University of Bordeaux, CNRS, INCIA, UMR, 5287 Bordeaux, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4471-0525","authenticated-orcid":false,"given":"Daniel","family":"Cattaert","sequence":"additional","affiliation":[{"name":"University of Bordeaux, CNRS, INCIA, UMR, 5287 Bordeaux, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5645-3680","authenticated-orcid":false,"given":"Aymar","family":"de Rugy","sequence":"additional","affiliation":[{"name":"University of Bordeaux, CNRS, INCIA, UMR, 5287 Bordeaux, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,4]]},"reference":[{"key":"ref_1","first-page":"31","article-title":"New developments in prosthetic arm systems","volume":"8","author":"Vujaklija","year":"2016","journal-title":"Orthop. 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