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Which Is the Largest Muscle in the Human Body?

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Quick Answer

The gluteus maximus, in the buttocks, is the largest muscle in the human body.

The Full Story

The gluteus maximus is the largest and most superficial of the three gluteal muscles. It extends the hip, helping us stand up from sitting, climb stairs and run. It also keeps the trunk upright, which is essential for walking on two legs. Scientists think it grew larger during human evolution to stabilise the body during running. The body has more than 600 skeletal muscles, from this giant to the tiny stapedius in the ear.

Key Facts

1.The longest muscle is the sartorius, which runs across the thigh.
2.The stapedius, the smallest skeletal muscle, is only about 1 millimetre long.
3.Chimpanzees have much smaller gluteus maximus muscles than humans.

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"Why humans have such big glute muscles."