What are side oblique crunches?

Lie on a padded surface on your left side . Stack your legs and bring your right hand behind your head. Lie your left arm in front of you or across your body. … Do NOT pull yourself with your hand. Pause and feel the contraction in your obliques then slowly return to the starting position.

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Which crunch is best for abs?

According to the study, the bicycle crunch was the most effective exercise when analysing the muscle activity in the abdominals. To complete a bicycle crunch, lie on your back with your lower back pressed into the ground, bring your knees in towards your chest and lift your shoulder blades off the ground.

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