The Second Heart of Human Body: 10 Fun Facts and Benefits

Our calf muscles are often called the second heart of the human body. There is no doubt that our actual heart is the pump that circulates blood throughout our body. Nevertheless, our calf muscles are also important. They also assist in circulation, earning the name ‘second heart’. Read this blog to understand why the calf muscles are called the second heart, the amount of blood in our body, the reasons behind calf pain and how it touches the most powerful part of the heart.

What is the Second Heart of the Body?

The second heart of the human body is the calf muscles. That is, the soleus and gastrocnemius. They support in pumping the deoxygenated blood from the lower extremities to the heart. Therefore, when you take a step, their contraction defies gravity. This promotes efficient venous return and decreases the risk of health issues like deep vein thrombosis (DVT).

Why Calf Muscle Called the Second Heart?

The Calf muscle is called the second heart of the human body because it mimics the heart. The calf muscles are responsible for compressing the veins while you move. This continuous movement is essential, particularly when we are sitting for too long or standing. The calf muscles ensure that there is proper blood flow and that the blood does not deposit in the legs.

Function of Calf – The Second Heart of the Human Body 

The second heart of the human body supports the circulatory system. The calf muscles assist in returning blood to the heart. This means whenever you move your muscles would contract and relax. This would compress your being in your lower legs and propel your blood upwards. This function of the calf muscles is significant when you stand or sit for a long period of time. The calf muscles ensure that the blood does not pool in the legs. Moreover, they reduce swelling and the risk of circulatory problems.

10 Fun Facts About Calf – Second Heart of the Human Body

These are ten Scientific facts about the second heart of the human body. Read these facts, and let them surprise you.

1. The calf muscles can pump back 30% of venous blood to your heart 
2. Moreover, if you regularly exercise or walk, it will improve your efficiency
3. The compression socks are helpful. They assist in calf function and improve blood circulation.
4. The strength of your calf muscles is linked to your cardiovascular health
5. Even simple exercises can boost circulation and are beneficial for you. For example, performing calf raises.
6. Those who lead a sedentary lifestyle can have a weak calf pump. It also increases the risk of DVT.
7. It’s the calf pump that reduces leg swelling and varicose veins.
8. Proper hydration is essential for calf muscle function
9. Weak calf muscles can impact the heart. Moreover, it can create a higher cardiac workload.
10. Age-appropriate exercise can improve the calf muscle function!

Also Read Interesting facts about Heart here!

What are the Three Hearts of the Human Body?

Anatomically, humans have only 1 heart. However, the metaphor of having 3 hearts is used because of how these organs assist in circulation. The 3 hearts of the human body are as follows-

1. Heart- This is your main heart 
2. Second heart- It refers to the calf muscles that support venous return.
3. Third heart- The muscles of the lower extremities, such as your foot muscles. They are known as the third heart because they assist in circulation. 

The concept of 3 hearts showcases how various muscles make a collaborative effort to maintain healthy blood flow circulation.

How to Strengthen Your Second Heart?

To take care of the second heart of the human body (calf muscles) do the following. By taking these steps, you can ensure that you have strong calf muscles.

1. Regularly exercise– This can be walking, cycling or even jogging 
2. Do strengthening exercises– You can also do strengthening exercises like calf raises and toe walking. 
3. Calf stretching– This can improve your calf muscle strength and flexibility
4. Nutrition and Hydration– You need to drink plenty of water and have a balanced diet that is rich in electrolytes to strengthen your second heart.
5. Compression Gear:- You can also wear compression socks to reduce swelling (if you have this problem).

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These were the facts about the second heart of human body. If you find it fascinating and wish to read more such interesting facts, then stay tuned to the General Knowledge page of Leverage Edu.