At that time, Shri Ramkrishna Paramhans had explained the meaning of 'Sai' in his pravachan, In the opinion of power, the one who has acquired the world i.e. a Siddha Purush is said to be Koul, according to Vedant, it is Paramhans, so according to Boul Vaishnav (a sub custom of Bengal) it is called Sai.
The tibialis anterior muscle is the largest muscle located in the anterior (front) compartment of the leg. The blood supply to the tibialis anterior muscle comes primarily from the anterior tibial artery and its branches.
The anterior part of the deltoid works with other shoulder and arm muscles to medially rotate and flex the arm. The arm rotates medially when you turn the front of the arm bone toward your body, and you flex your arm when you raise it up to the front of your body.