The name might not exactly suggest it,but the Half Curl is an abdominal exercise that it is not at all unlike a basic crunch routine. In fact, the Half Curl is a variation of the crunch that may make the more traditional workout a bit more difficult. The half curl
The abs and core consist of more than the “six pack” of the central abdomen. There are additional muscles that run on either side of those “six pack abs” called the obliques. The half curl targets the central abdominal muscles, giving you a flat toned waist line. But to achieve a slender “V” shaped waist, it is recommended that the half curl be combined with an oblique workout.
The half curl abdominal exercise really targets your abs. Make sure to maintain proper form to make this exercise more effective.