The American Joint Committee on Cancer (AJCC) TNM system divides stomach cancer into stages 0–4. The higher the stage, the more difficult it is to treat and to survive. The most commonly used system ...
While the visible upper layer, the rectus abdominis, is needed for the sexy, ‘six-pack’ look, the other two layers, hidden underneath the rectus, are often involved in quite complex ‘core exercises’ ...
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