There is nothing that the dimeglio crunch to train your abs obliques and transverse abdominals, the execution of this kind of crunch it will be more difficult by newbies since it requires a minimum of coordination of movement.
Beginning with the start of the classic oblique crunch: there is positioned lying supine with legs that must be squarely prenendo the ground with the heels of your feet and your arms should be bent towards the head nearly touching his temples lightly with your fingers.
Crunch oblique
Once in place we can start training our abs by contracting the abdomen carrying a shoulder to the opposite hip without worrying about wanting to touch your knee with your elbow.
Awarded the rotation of the trunk a few inches, just very slowly return to the starting position without resting your shoulders.
Then continue until you reach the repetitions indicated in the worksheet.