Changes in the resting heart rate and the heart rate variability of the participants at different test times.

Notes: high-frequency and low-frequency data that are shown in table 2 were magnified 1000 times relative to the raw data so that they could be observed clearly.

备注：表2中展示的高频数据与低频数据均相对于原始数据放大了1000倍，以便能够清晰观测。