Among the given option only one is not a benefit associated to good warm-up, and it is A:Decreases the temperature of your muscles
A warm up can be regarded as activities involving a gradual increase in intensity when when one is engaging in physical activity.
These warming up activities could be;
joint mobility exercise.
Jumping jacks.
Walking jacks.
stretching
It is important that the body is warm ups before a physical activities brings about Increases metabolic rate and with this, oxygen will be delivered to the muscles more quickly.
Also, injury can be prevented, because of elasticity in muscles.
Therefore, A is right
