Is your heart the strongest muscle in your body and if not explain?

Question

Is your heart the strongest muscle in your body and if not explain?

Answer 1

No it is not. There are several different ways to categorize muscle strength.

The first is strength/mass. In this case a muscle in the uterus is the strongest. It weighs very little but produces a lot of force during contractions.

Second, force on an external object. The jaw muscle is the strongest here. But it really doesn't have anything to do with the muscle.

Try this: Open a door and then push it closed with one finger positioned really close to the hinges. Pretty hard right? Now do the same thing except with your finger on the opposite edge of the door. Way easy right? That's what the jaw has, the muscle attaches to the bone quite a ways from the pivot point (analogous to the hinges in the door) so it as close as your body gets to force conservation in muscle.

Finally, internal force. This would go to the largest muscle in the body, the gluteus maximus (butt). If you were to remove all muscles from the body and determine the total force they can create, the biggest would win. However, the buttocks is attached much closer to the pivot point (like pushing the door right by the hinges). The advantage of this is rapid movement. Go back to the door. Do the same thing as before except this time push the door one inch at each position. You will notice that your door swings all the way closed if you push by the hinges, but barely moves at all if you push by the opposite side.

Again, there is nothing special about this muscle, except that it is the largest in terms of mass.

What is special about the heart is that it does the most work of any muscle. While other muscles can do work faster, they cannot last. But the heart just keeps on pumping, for your entire life. Remarkable eh?

Answer 2

The heart is made of a different kind of muscle altogether.  It can keep going despite getting tired, exercised, etc.

IF it was made up of the same muscle as your biceps, you'd be dead in less than an hour as the muscle would fatigue and tire out.

In terms of strength, its not the strongest muscle, but it doesn't require rest like most of your muscle groups.

Answer 3

No, the Tongue is it think it can stand thousands of pressures so when you open your mouth under water it wont hurt like your ears do at the bottom

but your heart would be under thousands maybe millions of pressure