The beginning of every workout should start with

Aa warm-up.

Ba cool-down.

Chigh-intensity exercises.

Dresistance training exercises. user: if you skip the cool-down portion of exercise,

Ayou can work out in less time.

Bblood can pool in the exercised parts of the body and diminish the return of blood to the heart.

Cyou won't be able to work out the next day.

Dyou run the risk of gaining weight.