full_test_start,1759233008
relax_start,1759233008
relax_end,1759233128
squat_test_start,1759233128
squat_test_end,1759233173
sit_start,1759233173
sit_end,1759233233
video1_start,1759233233
video1_end,1759233264
video2_start,1759233324
video2_end,1759233455
full_test_end,1759233456