Question

which of the following injuries include instability of the knee with pain and swelling? a. groin strain b. hamstring strain c. acl tear d. bone fracture please select the best answer from the choices provided.

Explanation:

An ACL (anterior - cruciate ligament) tear often causes knee instability, along with pain and swelling. A groin strain affects the groin area, a hamstring strain affects the back - of - thigh muscles, and a bone fracture is a break in a bone, not typically associated with the specific symptoms of knee instability like an ACL tear.

Answer:

C. ACL tear