A New Approach to Noninvasive-Prolonged Fatigue Identification Based on Surface EMG Time-Frequency and Wavelet Features

Table 3

Number of participants under prolonged fatigue conditions based on physiological responses.

		Day 1	Day 2	Day 3	Day 4	Day 5
Performance improvement			20	20	17	12
Performance decrement			—	—	3	5
Muscle scale	1 (excellent)	2	1	1	1	1
	2 (very good)	6	5	4	2	3
	3 (good)	12	12	10	11	8
	4 (tender, but not sore)	—	1	3	4	7
	5 (sore)	—	1	2	2	2
Psychology score<14		20	20	20	20	20
No sleeping disturbance		20	20	20	20	20
No lethargy		20	20	17	16	15
Lethargy		—	—	3	4	5
HR before run <100		20	20	20	20	20
BP before run <140/90		20	20	20	20	20