PATHOLOGY

Detailed explanation-1: -They are classified as follows: Grade I (Mild): Tissue is stretched. Grade II (Moderate): Involves stretching and some tearing of tissue. Grade III (Severe): Complete tearing of tissue.

Detailed explanation-2: -1st Degree – The most minor form of strain. Symptoms include minor pain and tenderness. 2nd Degree – Symptoms include moderate pain, limited range of motion, and possible swelling and bruising. 3rd Degree – The most severe form of strain.

Detailed explanation-3: -As with burns, there are three “degrees” of sprains: mild (first-degree), moderate (second degree) and severe (third-degree). While the intensity varies, pain, bruising, and swelling (inflammation) are common to all three categories.

Detailed explanation-4: -Grade 3: Complete rupture of a muscle or tendon. These can present with a palpable defect in the muscle or tendon. However, swelling in the area may make this difficult to appreciate. These injuries sometimes require surgery to reattach the damaged muscle and tendon.