quad

The muscles located in the lower back region play a critical role in both athletic performance and overall aesthetic appeal for the bodybuilder. It would be an understatement to say these muscles are not worked enough, considering their importance in our lives.
Fitness veterans know that plateaus are almost inevitable. You can work like hell with a smart and intelligent training program, altering the right variables at just the right times, but eventually one stubborn body part or another will probably stop changing—at least for a while. When your current training plan stops delivering results, this fast-paced upper-body circuit will get your gains going again.

Morning

Quadriceps

Evening

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