The serratus line is the dividing line between the external oblique and the serratus anterior muscle on the chest. This line is important to human health as it helps keep the scapula in place and prevents it from moving out of place.
The jagged line is formed from two main
English 
Chinese 
Spanish 
Indonesian 
French 
Portuguese 
Russian 
Japanese 
Turkish 
Deutsch 
Vietnamese 
Italian 
Polish 
Ukrainian 
Korean 
Dutch 
Swedish 
Azerbaijani 
Hungarian 
Bulgarian 
Norwegian 
Finnish 
Greek 
Czech 
Danish 