Evidence about contextual interference in children with brain lesions when practising motor tasks is lacking. Our main objective was to evaluate the feasibility of a randomised controlled trial (RCT) comparing blocked with random practice order of an upper limb robotic exergame to improve reaching in children with neuromotor disorders with a pilot trial. We recruited children with brain lesions and impaired upper limb functions who underwent a 3-week schedule that consisted of baseline assessments, intervention period (participants were randomised to a blocked or random order group), and follow-up assessment. We evaluated ten feasibility criteria, including the practicability of the inclusion/exclusion criteria, recruitment rate, feasibility of randomisation, scheduling procedure, and the participants’ programme adherence. The inclusion/exclusion criteria were not completely feasible as patients who were not able to perform the exergames were included. Twelve participants were recruited, and six datasets were used for analysis. The scheduling and randomisation procedures were generally feasible, but the procedure was only partially feasible for the participants, as some sessions were aborted due to lack of motivation and fatigue. An RCT following this study protocol is not feasible. We formulated suggestions for future studies that aim to investigate contextual interference as in this pilot study. ClinicalTrials.gov Identifier: NCT02443857 , registered on May 14, 2015

中文翻译：

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脑部病变儿童的情境干扰：一项调查上肢机器人运动游戏的阻塞与随机练习顺序的试点研究

缺乏关于在练习运动任务时对患有脑损伤的儿童进行情境干扰的证据。我们的主要目标是评估随机对照试验 (RCT) 的可行性，该试验比较上肢机器人运动游戏的随机练习顺序，以通过试点试验改善神经运动障碍儿童的触及范围。我们招募了患有脑部损伤和上肢功能受损的儿童，他们接受了为期 3 周的计划，包括基线评估、干预期（参与者被随机分配到阻止或随机顺序组）和后续评估。我们评估了 10 个可行性标准，包括纳入/排除标准的实用性、招募率、随机化的可行性、调度程序和参与者的计划依从性。纳入/排除标准并不完全可行，因为包括无法进行运动游戏的患者。招募了 12 名参与者，并使用了六个数据集进行分析。日程安排和随机化程序通常是可行的，但该程序仅对参与者部分可行，因为一些会议因缺乏动力和疲劳而中止。遵循本研究方案的 RCT 是不可行的。我们为未来的研究提出了建议，旨在调查本试点研究中的上下文干扰。ClinicalTrials.gov 标识符：NCT02443857，2015 年 5 月 14 日注册 日程安排和随机化程序通常是可行的，但该程序仅对参与者部分可行，因为一些会议因缺乏动力和疲劳而中止。遵循本研究方案的 RCT 是不可行的。我们为未来的研究提出了建议，旨在调查本试点研究中的上下文干扰。ClinicalTrials.gov 标识符：NCT02443857，2015 年 5 月 14 日注册 日程安排和随机化程序通常是可行的，但该程序仅对参与者部分可行，因为一些会议因缺乏动力和疲劳而中止。遵循本研究方案的 RCT 是不可行的。我们为未来的研究提出了建议，旨在调查本试点研究中的上下文干扰。ClinicalTrials.gov 标识符：NCT02443857，2015 年 5 月 14 日注册