1) Rectus Abdominis: Describe the role of this muscle in doing a sit up. How far does it get in accomplishing a whole sit up?
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2) How much different is the result after the transversus abdominus, internal oblique,
and external oblique is added?
3) What muscles are required to finish off the sit up?
4) Explain what those last muscles did to enable a sit-up.
5) Summarize the whole process step by step how your muscles enable you to do a
sit-up.