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Which muscle contracts when bending the upper body to bring the rib cage toward the hips?

O biceps brachii
O triceps brachii
O quadriceps (quads)
O rectus abdominus (abs)

User Pola
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1 Answer

4 votes
The answer should be recurs abdominus. All other muscles are in the arms or legs and would not be directly involved in bending
User Daniyal Ahmed
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