Excessive stretching of a muscle and its fascial sheath often involving tendon is known as

Correct option is A

Ans. (a) Sol. Strain refers to an injury involving the overstretching or tearing of a muscle or tendon, often caused by excessive or improper use. It can involve the fascial sheath and is commonly associated with muscle fatigue or improper stretching.
· (b) Sprain: A sprain is an injury to a ligament, not a muscle or tendon. It involves the stretching or tearing of ligaments.
· (c) Fracture: A fracture is a break or crack in a bone, not related to muscles or tendons.
· (d) Greenstick fracture: This type of fracture is incomplete, typically occurring in children due to their more flexible bones, and involves a break in the bone, not muscles or tendons.