(0:00) Stand in the frame of the machine and place your forearms against the padding. Grip the handles firmly with your knuckles pointing forward. With your back against the back padding, lower your legs straight down with your core activated.
(0:12) With your legs slightly bent raise your legs up until your thighs are parallel to the ground. Then slowly lower your legs back down the same path back to the starting position.
(0:22) Throughout the whole movement you should have your core tensed and Maintain a strong grip so your back doesnt come off the padding.
(0:29) For a more beginner friendly motion start with your legs straight and bend your knees up until they are roughly aligned with your hips.
(0:36) Repeat for the desired amount of repetitions then lower yourself down.
(0:41) For both methods avoid using any momentum or swinging to try and make repetitions easier. Ensure that your back stays straight throughout the whole movement.