Take a grip with hands slightly wider than shoulder width apart, & position yourself underneath the bar.
Arms full extended, Shoulders depressed (down, away from your ears).
Hollow position (PPT / Tuck Tailbone, Core engaged) Forming a straight line head to heels. Maintain this position throughout.
Grip the bar as if trying to bend it. Keeping your arms straight, retract your scapula (pinch your shoulder blades together)
Squeeze at the top, before lowering with control. Repeat for Reps
Low Pull-Up Bar
Progressions And Regressions