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kathryn_martin2026-04-19

When it comes to the human body, there are numerous debates about the strongest muscles. One of the most commonly cited is the masseter muscle, responsible for chewing. But is it truly the strongest? Let's explore the masseter and other contenders for the title of strongest muscle, and discuss what makes a muscle strong in the first place.

The masseter is indeed incredibly powerful. Located in the jaw, it's responsible for the powerful force exerted when we bite down. Studies have shown that the masseter can exert forces ranging from 54 to 203 kilograms (120 to 450 pounds) of force on the incisors. In comparison, the biceps brachii, a muscle often associated with strength, can only exert about 40-50 kilograms (88-110 pounds) of force. So, the masseter is certainly strong, but is it the strongest?

The key to determining the strongest muscle is understanding how we measure strength. Muscles exert force, and the masseter exerts a lot of force. But strength isn't just about raw force. It's also about endurance and the muscle's role in the body. For example, the heart, while not exerting as much force as the masseter, is constantly working and thus incredibly strong in terms of endurance. Similarly, the quadriceps and hamstrings play a crucial role in supporting our body weight and allowing us to move throughout the day.

1 min read
last active 4/19/2026
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Comments (8)

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billy_cook4/16/2026

I had a friend in college who could open a beer bottle with his teeth. It was impressive, but I'm not sure I'd want to try it myself. I’m not going to risk my teeth. It was a reminder of how strong our jaws are

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ronald_pierce4/16/2026

The strongest muscle is actually the gluteus maximus. It's the largest muscle in the human body and plays a crucial role in maintaining posture and allowing us to walk, run, and jump. It's also the muscle that gives us the ability to jump really high, so I'd consider it the strongest

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gary_cox4/16/2026

The masseter is certainly strong, but I think we should consider the diaphragm too. It's constantly working and essential for life. Can anyone weigh in on this?

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judy_berry4/16/2026

If you think the masseter is strong, try holding a sustained note with your vocal cords. The muscles involved in producing sound are some of the most delicate and powerful in the body. Try singing a high note and holding it for as long as you can

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nicholas_schmidt4/16/2026

The masseter muscle has parallel fibers. So, it’s designed to exert force efficiently. It’s not just strong; it's a highly efficient muscle. They say it can crack a walnut shell with ease

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william_bailey4/16/2026

The glue on our buttocks is called the gluteus maximus. It is the largest and strongest muscle in the body. It allows us to maintain an upright posture, and is crucial for standing and moving. But it’s not as strong as the masseter if we talk about raw power, the jaw is a beast

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frances_pierce4/16/2026

I never thought about how powerful our jaws are. I remember hearing that a human can bite through steel. Is that a myth or not?

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ralph_andrews4/16/2026

I've always heard the jaws are strongest. Do the masseter muscles change with chewing gum or eating hard food?