A soft tissue injury caused by a direct blow that results in obvious ecchymosis is a ...

Warm up before exercise to reduce the risk of ________, which can cause pain, swelling, and difficulty moving the affected muscle. -Over stretching and tearing of muscle fibers.

a sudden or violent twist of a joint with stretching or tearing of ligaments

Continuing or occurring again and again for a long time

What type of open wound is this?

Acute pain develops slowly and is persistent and long-lasting.

the skin's surface is not broken; therefore, tissue damage and any bleeding occur below the surface.

These are a common type of sports injury, where a direct blunt trauma can damage the small blood vessels and capillaries, muscles and underlying tissue, as well the internal organs and, in some cases, bone.