Do / can whole muscle fibers tear?

Muscle fibres can tear if the muscle is suddenly overstrained. Overloading means: a force is applied to the muscle that is greater than the force of the muscle itself. The muscle cannot therefore withstand this excessive force – tissue tears.

YES , Muscle damage can be in the form is tearing (Part or all) of the muscle Fibers and the tendons attached to the muscle. The tearing of the muscle can also damage small blood vessels, causing local bleeding, or bruising, and pain caused by irritation of the nerve endings in the area