1. An injury to a muscle caused by overstretching or overuse, resulting in pain, weakness, or inflammation
The athlete suffered a muscular strain after lifting too much weight without proper warm-up.
O atleta sofreu uma distensão muscular após levantar muito peso sem aquecimento adequado.
2. The condition of excessive tension or stress placed on muscle fibers
Poor posture can lead to muscular strain in the neck and shoulders.
A má postura pode levar a uma distensão muscular no pescoço e nos ombros.