Yuan Xiaoxia, Li Fan, Lei Kang, Liu Qiuhong
PLA Naval Medical Center, Naval Medical University, Shanghai 200433, P. R. China.
State Key Laboratory of Advanced Design and Manufacture for Vehicle Body, Hunan University, Changsha 410082, P. R. China.
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2023 Aug 25;40(4):676-682. doi: 10.7507/1001-5515.202301020.
This paper studies the active force characteristics of the neck muscles under the condition of rapid braking, which can provide theoretical support for reducing the neck injury of pilots when carrier-based aircraft blocks the landing. We carried out static loading and real vehicle braking experiments under rapid braking conditions, collected the active contraction force and electromyography (EMG) signals of neck muscles, and analyzed the response characteristics of neck muscle active force response. The results showed that the head and neck forward tilt time was delayed and the amplitude decreased during neck muscle pre-tightening. The duration of the neck in the extreme position decreased, and the recovery towards the seat direction was faster. The EMG signals of trapezius muscle was higher than sternocleidomastoid muscle. This suggests that pilots can reduce neck injury by pre-tightening the neck muscles during actual braking flight. In addition, we can consider the design of relevant fittings for pre-tightening the neck muscles.
本文研究了快速制动条件下颈部肌肉的主动力特性，可为舰载机拦阻着舰时降低飞行员颈部损伤提供理论支持。我们在快速制动条件下进行了静态加载和实车制动实验，采集了颈部肌肉的主动收缩力和肌电图（EMG）信号，并分析了颈部肌肉主动力响应的特性。结果表明，在颈部肌肉预紧过程中，头颈部前倾时间延迟且幅度减小。颈部处于极限位置的持续时间缩短，向座椅方向的恢复更快。斜方肌的肌电图信号高于胸锁乳突肌。这表明飞行员在实际制动飞行中可通过预紧颈部肌肉来降低颈部损伤。此外，我们可以考虑设计相关配件来预紧颈部肌肉。
