He is doing special exercises to train his serratus anterior muscle.

He exercises every day to strengthen his tibialis anterior muscle.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

He was exposed to radiation in a nuclear accident.

Himemiko is my best friend.

This problem is too simple.

What is this pot used for?

The nurse treated my wound.

He taught me how to tie a tie.