Hyper extended

Hyper-extended knee refers to an injury in which the knee is straightened beyond its normal fully straightened position. It usually results from an awkward landing after a jump or from a contact injury. The severity of this injury can range from minor, such as a strained knee joint, to severe, such as a ligament rupture or tear.

A doctor can evaluate the injury by:

Treatment depends on the severity of the injury but may include:

By Mayo Clinic staff