ACL Anatomy
This ligament connects the femur to the tibia and stabilizes the knee.
What is the ACL?
Biomechanics studies how ______ act on the body during movement.
What are forces?
Most ACL injuries occur without physical contact.
What is a non-contact injury?
Patients often hear this sound when an ACL tears.
What is a “pop”?
Recovery focuses on restoring strength and joint ______.
What is stability?
The ACL prevents excessive forward movement of this bone.
What is the tibia?
These two muscle groups help stabilize the knee with the ACL.
What are the quadriceps and hamstrings?
Sudden stopping or changing direction increases stress on this joint.
What is the knee?
This imaging technique visualizes soft tissue damage.
What is an MRI?
Exercises improving coordination between muscles and nerves help prevent injury.
What is neuromuscular training?
The ACL primarily limits anterior translation and ______ movement of the knee.
What is rotational movement?
Coordination between nerves and muscles is called ______ control.
What is neuromuscular control?
Incorrect landing after a jump produces excessive ______ forces.
What are shear forces?
This imaging method rules out bone fractures.
What is an X-ray?
Training proper landing technique reduces stress on the ______.
What is the ACL?
Damage to the ACL results in loss of this joint property.
What is joint stability?
When the knee collapses inward during landing, it is called ______ alignment.
What is valgus alignment?
Name ONE high-risk sport commonly associated with ACL injury.
What is soccer, basketball, or skiing?
Surgical repair of the ACL is called ACL ______.
What is reconstruction?
Rehabilitation helps prevent this common outcome after recovery.
What is reinjury?
The ACL is classified as this type of connective tissue structure.
What is a ligament?
ACL injuries are described as this because multiple factors contribute to injury risk.
What is multifactorial?
Strong quadriceps combined with weak hamstrings create this injury risk factor.
What is muscle imbalance?
Replacement tissue used in ACL surgery is known as a ______.
What is a graft?
ACL recovery may take several ______ to a year.
What are months?