Rectus abdominis muscle
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Abdominal muscles: Anatomy, Function, Exercise

What is abdominal muscles? The abdominal muscles form the anterior & lateral abdominal wall & consist of the external abdominal obliques, the internal abdominal obliques, the rectus abdominis & the transversus abdominis. Acting together these muscles form a firm wall that protects the viscera & they help to maintain erect posture. In addition the contraction…