Journal of NeuroEngineering and Rehabilitation

Abbreviations ACMC: Assessment for capacity of myoelectric control; ANOVA: Analysis of variance; CRT: Clothespin relocation task; DOF: Degrees of freedom; EE: Elbow extension; EF: Elbow flexion; HC: Hand close; HO: Hand open; NM: No movement; PGT: Prosthesis-guided training; SHAP: Southampton Hand Assessment Procedure; TAC: Target acquisition control; TMR: Targeted muscle reinnervation; WP: Wrist pronation; WS: Wrist supination Acknowledgements The authors would like to acknowledge Dr. Ann Barlow for professional writing services and Dr. Ann Simon for assistance in preparing the figures. Funding This work was supported by DoD Award OR110187 (W81XWH-12-2-0072). The funding body played no role in study design; collection, analysis, or interpretation of data; or writing the manuscript. The publication cost of this article was funded by discretionary funds provided to the authors by the Shirley Ryan AbilityLab. Availability of data and materials De-identified data may be made available upon request to the corresponding author. About this supplement This article has been published as part of Journal of NeuroEngineering and Rehabilitation Volume 15 Supplement 1, 2018: Advancements in Prosthetics and Orthotics: Selected articles from the Second World Congress hosted by the American Orthotic & Prosthetic Association (AOPA). The full contents of the supplement are available online at https://jneuroengrehab.biomedcentral.com/ articles/supplements/volume-15-supplement-1 . Authors ’ contributions Dr. Hargrove had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. All authors have read and approved the final version of the manuscript. Study concept and design: LH, LM, KT, TK. Acquisition of data: LM, KT. Analysis and interpretation of data : LH, LM, KT, TK. Drafting of the manuscript : LH. Critical revision of the manuscript for important intellectual content: KT, LM, TK. Obtained funding : TK, LH. Administrative, technical, or material support : LM, KT. Study supervision : TK. Ethics approval and consent to participate This study was approved by the Northwestern University Institutional Review Board. All subjects provided written informed consent prior to participation in the study. Consent for publication Informed consent sheets with optional consent for publication of images are available. Competing interests Drs Kuiken and Hargrove have an interest in Coapt LLC; however no Coapt products were used in this research. Publisher ’ s Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Published: 5 September 2018 References 1. Ziegler-Graham K, MacKenzie EJ, Ephraim PL, Travison TG, Brookmeyer R. Estimating the prevalence of limb loss in the United States: 2005 to 2050. 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