前交叉韧带损伤后的神经可塑性变化及康复策略
Neural Plasticity and Rehabilitation Strategies After Anterior Cruciate Ligament Injury
前交叉韧带(ACL)损伤不仅破坏膝关节的结构稳定,还会引发从中枢到外周的神经肌肉控制障碍,严重影响患者的运动功能并增加再损伤风险。神经可塑性理论为理解ACL损伤后的功能缺陷和康复提供了全新视角。本综述ACL损伤相关的中枢神经系统(CNS)变化,包括皮质下脊髓反射异常、脑干与小脑通路重组、大脑皮层的感觉传入减少、信息整合依赖视觉代偿和运动传出抑制。针对CNS重塑的康复手段主要包括干预信息传入训练、基于运动学习原理优化信息整合策略(外部集中、隐性学习、双任务训练和实时生物反馈)以及针对运动传出过程的神经调控技术。当前研究仍存在局限性,如个体异质性较大、实验室任务的生态效度不足以及神经重塑的因果机制不明。未来研究需匹配的健康对照、开发更贴近真实运动的实验范式、开展多中心大样本纵向研究,并融合神经影像学与生物力学等多模态数据,为开发更有效的ACL康复手段及更精准的神经调控靶点提供理论依据。
Anterior cruciate ligament (ACL) injury not only compromise the structural integrity of the knee joint but also trigger neuromuscular control impairments from the central to the peripheral nervous systems, significantly impacting patients' motor function and augmenting the risk of subsequent injuries. Neuroplasticity theory offers a novel perspective for comprehending functional impairments and rehabilitation subsequent to ACL injury. This study synthesizes the central nervous system (CNS) changes related to ACL injury, including abnormalities in subcortical spinal reflexes, reorganization of brainstem and cerebellar pathways, reduction in sensory input to the cortical region, heightened reliance on visual compensation for sensory integration, and suppression of motor cortex output. Rehabilitation strategies aimed at CNS reorganization primarily include interventions that modulate sensory input, strategies grounded in motor learning principles to enhance information integration (external focus, implicit learning, dual-task training, and real time biofeedback), and neuromodulation techniques targeting motor pathways. Current research is limited by substantial inter-individual variability, inadequate ecological validity of laboratory tasks, and obscure causal mechanisms of neural reorganization. Future research requires well-matched healthy controls, the development of experimental paradigms that closely emulate real-world motions, large-scale, multi-center longitudinal studies, and the integration of multimodal data from neuroimaging and biomechanics. These collective approaches aim to establish precise neurorehabilitation frameworks that optimize functional recovery in patients with ACL injuries.
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北京市属高校高水平教师队伍建设支持计划长城学者培养计划项目(CIT&TCD20180335)
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