A self designed pressure measuring needle with a lateral aperture and a micro pressoreceptive apparatus was penetrated into the ESM at the level of L3 spinal prominence to test the ICP at rest, during exercise and 6 min after exercise.

• 选择平L3棘突竖脊肌外侧缘微进针点,用自行设计的带有侧孔及微压力感受装置的测压针,直接刺入竖脊肌内,分别测量竖脊肌内的静息压、运动中压和运动后6min以内的压力改变。