Ambiguous stressors are more problematic because a) fewer clear-cut solutions exist be and c) the individual never knows what to expect.
Answer:
A warmup gradually revs up your cardiovascular system by raising your body temperature and increasing blood flow to your muscles. Warming up may also help reduce muscle soreness and lessen your risk of injury. Cooling down after your workout allows for a gradual recovery of preexercise heart rate and blood pressure.
Hypothesis based on common defination is an educated guess.