What are the primary functions of the rectus abdominis? Group of answer choices

Flexion and lateral flexion of the spine

Flexion and medial extension of the spine

Extension and medial rotation of the spine

Extension and transverse rotation

Explanation:

The main function of the rectus abdominis is to move the body between the ribcage and the pelvis. external oblique muscles – these are on each side of the rectus abdominis. The external oblique muscles allow the trunk to twist, but to the opposite side of whichever external oblique is contracting.

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