The abdomen comprises the sinews that most beginners labour with because they take a long time to evolve and need a low grade of body fat to be glimpsed. The abdominal sinew group comprises of three major sinews:
1. Rectus abdominis - commonly renowned as the abs, this is a large flat sinew partition that runs from the smaller chest to the pubic skeletal part.
2. Obliquus abdominis - routinely renowned as the obliques, this muscle sprints diagonally along the side of the mid-section from...
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