What's a joing sprain?

General term: "sprain" is a general term - often mis used referring to the stretch or tearing of a ligament. Ligaments are the 'rubber bands" that hold bones and joints together in the skeleton. Minor sprains resolve without treatment, severe ones sometimes require many weeks of treatment or even surgery.

Joint ligment Injury: Tear or partial tear of a ligament.  up to 12 weeks required for resolution of most serious.

Soft tissue injury.: A sprain is a soft tissue injury around a joint. It usually involves a tear of ligaments and may involve other soft tissues within the area such as tendons.