OK so I see people always confused about this and/or saying the wrong terms. I was one of those people until I went to chool for phsyical therapy....a quick explanation
Grade 1- Ligament/Tendon is Overstretched
Grade 2-Ligament/Tendon is Overstretched with a partial tear
Grade 3-Ligament/Tendon is completely ruptured
Sprain=refers to a ligament
Strain=refers to a tendon