The hack squat is a machine-based, compound exercise that adds strength and size to the lower body. While it’s often used as an accessory to the barbell back squat, the hack squat also serves as an alternative because it places greater demand on the quads, is safer to train to failure, and requires less mobility.
Although there are some hack squat variations, this article will cover the muscles the machine hack squat works and some of its primary benefits.
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