Amount of head swaying, righting angle displacement and angular velocity of the head and trunk, and lateral bending neck moment during crossover steps.

Amount of head swaying, righting angle displacement and angular velocity of the head and trunk, and lateral bending neck moment during crossover steps.交叉步运动过程中的头部摆动幅度、扶正角位移、头部与躯干角速度以及颈侧弯力矩。