Sit on the floor holding an EZ bar with both hands at chest level. Lean back slightly with your core braced and feet either planted on the floor or lifted for more challenge. Lift the bar upward while simultaneously curling your torso slightly toward one side, engaging your obliques. Lower the bar and twist down to the opposite side in a controlled motion. Continue alternating sides in a smooth up‑and‑down twisting pattern. Focus on using your core muscles to drive the movement rather than momentum.
Log your ez bar up down twist sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.