Acl injuries occur mostly as a result of excessive valgus stress, forced external rotation of the femur on a fixed tibia (with the knee in full extension, or forced hyperextension. These injuries are common in contact sports and those involving a sudden change of direction, twisting or jumping.
Positive:- anterior drawer test, Lachman test and pivot shift test
Treatment for ACL injuries-
When & who requires ACL surgery?
The decision of whether to operate is based on a number of factors, including:
Age; lifestyle; sporting involvement; occupation; the degree of knee instability and any other associated injuries.
If surgery is indicated then pre-surgery exercises are done to build up the strength in the muscle.
Isometric or static strengthening exercises which do not involve movement can usually begin early on.
Supports & braces: A hinged knee brace is often recommended for support both before and after surgery.