A hack squat is an explosive squat that you perform using a barbell in an upright position.
It’s basically a variation of the bench press, and it can be done in a variety of different ways, depending on the bodyweight you’re using.
The Barzoum Hack Squats, for example, feature a variety in the way you grip the bar, which also varies based on your own bodyweight and strength.
It can be used to lift heavier weights, and also perform a more basic squat variation, which is basically a deadlift.
If you’re interested in the Barzoun Hack Squatted, check out the video below.