Sentences with phrase «abdominis flexes»
The rectus abdominis flexes your upper body, bringing your ribs toward your pelvis or vice versa, depending on the point of flexion.
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-- Make sure you are rolling your torso and working the rectus abdominis instead of just flexing the torso and using the flexor muscles to pull the bar.
The rectus abdominis runs the length of the abdomen from the bottom tip of the sternum to the pubis bone in the pelvis, and it's responsible for flexing the torso and spine by pulling the ribcage closer to the pelvis, although it can also contract the abdomen without moving the torso.
Abdominal crunches exercise Rectus abdominis muscles, whose job is to flex the trunk.