Stand with a barbell positioned between your legs and feet staggered (one foot in front of the bar, one behind). Grip the bar with one hand forward and one hand backward, brace your core, and keep your back straight. Lift the bar by extending your hips and knees simultaneously, standing up while maintaining balance and control. Lower the bar back down in a controlled manner, keeping tension in the muscles throughout the movement.
Log your barbell jefferson deadlift sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.