Table 1.

Subjective physical strength rating scale.

Sense of self	Main symptoms	Points
Very relaxed	No difference between before and after exercise	6
	Self control the speed and heart rate of completing the action accurately	7
	Sight shortness of breath	8
	Maintain coordination and stability of movement	9
Relaxed	Slightly sore muscles	10
	Just sweating and breathing faster	11
A little relaxed	Increased perspiration and heavy walking	12
	Sweating heavily and moving normally	13
A little tired	Slow in action and late response	14
	Decreased attention and uncoordinated movements	15
Tired	Sticky tongue and sore muscles	16
	Extremely sore muscles and difficulty in lifting legs	17
Very tired	Dyspnea and dizziness	18
	Respiratory disturbance, nausea and vomiting	19
Exhausted	Blurred vision and inability to move	20