In fact, the three lines practiced on both sides of the chest belong to the enhanced version of abdominal muscles, which are located on both sides of the body cavity and look like gills on both sides of sharks. In the part of the chest connected with the abdominal muscles, the scientific name of this part is serratus anterior, nicknamed shark line; You can refer to the exercise of the bullet muscle and the serratus anterior mentioned above: (bullet muscle

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How to practice the bullet muscle, what is the bullet muscle, which part of the bullet muscle and its exercise), (Illustration of how to practice the serratus anterior muscle, introduction of the exercise method of the serratus anterior muscle)

How to get your shark line to say

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To do this, we need to support the whole body and use a lot of core muscle strength. Prepare for the starting posture, exchange your feet wildly to practice your heart and lungs, and then the core muscles are a big focus.

Tilt up and then slightly to the left, tilt up and then to the right, and this line will come out. In addition to exercise, diet is also very important, because the main line will come out and body fat must be reduced.