An effective exercise for the abs. It helps to prepare for elevated leg raising.
Stand between the parallel bars, forearms are placed on the pads.
Cross your legs or just bring them together and lift them up.
As you exhale, lift the legs slightly bent at the knees until they get parallel to the floor or a little bit higher.
Pause for 2-3 seconds at the top and, as you inhale, slowly return to the starting position.
Don't swing your torso and then throw your legs up.
You can lift your legs to the right and left to work the oblique muscles.
Side turns are forbidden for people with lower back problems.
The most effective way to do this exercise is to lift the legs until the bar level and then touching it with your toes.