Starting Strength

York Barbell model 38 Olympic Barbell set

the straightening out of the hip joint from its flexed (or bent) position in the bottom of the squat.

The best way to get them strong is to squat, and if you are to squat correctly, you must use hip drive, which is best thought of as a shoving-up of the sacral area of the lower back, the area right above your butt.

The squat is literally the only exercise in the entire repertoire of weighted human movement that allows the direct training of the complex movement pattern known as hip drive – the active recruitment of the muscles of the posterior chain.

posterior chain refers to the muscles that produce hip extension

else involving the lower body, we want them strong.

Every time you use this motion to propel yourself out of the bottom of the squat, you train the muscles in the posterior chain.

hip extensors – are the hamstrings, the glutes, and the adductors (groin muscles). Because these important muscles contribute to jumping, pulling, pushing, and anything

The machines were designed to be used in a specific order, one after another without a pause between sets, since different body parts were being worked consecutively. And the central idea (from a commercial standpoint) was that if enough machines – each working a separate body part – were added together in a circuit, the entire body was being train