Stand feet hip-width, bar over mid-foot, shins close.

Hinge hips, bend knees, grip bar just outside shins (overhand or mixed).

Back straight, chest up, shoulders slightly over bar.

Engage core/lats. Push floor away with legs.

As bar passes knees, drive hips forward.

Stand tall, shoulders back. Don't hyperextend.

Lower with control: hinge hips first, then bend knees.

Repeat.