Answer:
a Because it just making more sense than anything  else periodt 
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<span>Stretching before and after a workout allows for less chance of pulled </span>muscles or injury.
        
             
        
        
        
Crest (equipment) – Heraldic markings on an arrow used for identification or design
        
                    
             
        
        
        
Answer:
C.  Arteries carry oxygenated blood, while veins carry blood low in oxygen
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Hey, there hope this helps
Explanation: Both types of hurdle stretches loosen up the hamstring in the same way. But the hurdle stretch with the leg pointed back puts sideways torque on the back knee and can result in serious injury. So while the potential benefit of the exercises are the same, one risks serious injury to the knee.
Good luck :3