Performing the: A Step-by-Step Tutorial Barbell One Arm Floor Press
Grasp the barbell with one hand, ensuring your grip is firm and your palm is facing towards your feet.
Using your core and arm strength, lift the barbell straight up until your arm is fully extended.
Slowly lower the barbell down to your chest, making sure to keep your arm and wrist steady.
Push the barbell back up until your arm is extended again, repeating these steps for your desired number of repetitions before switching to the other arm.