Master quad development with this in depth leg day breakdown!

Cyrus Karshenes is an amateur bodybuilder who is hungry to turn pro. Straight out of Gold’s Gym, Cyrus wants to show you how to maximize quad development. Showcasing an in depth look at his quads during training so you can see the muscle activation – learn everything you need to know to master leg day and grow some monster quads. Check it out in the video above!

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