Essential knee terminology
Lachman test search for term

The Lachman Test is a test performed by the clinician to test for laxity of the anterior cruciate ligament.

Lateral search for term

The word 'lateral' is a position word, indicating the outer aspect of something.

Lateral collateral ligament search for term

The lateral collateral ligament supports the knee joint on its outer aspect, ie the lateral side.

Lateral femoral cutaneous nerve search for term

A nerve that supplies sensation to the side and back of the thigh.

Lateral meniscus search for term

The lateral meniscus is the meniscus shock absorber on the lateral (outer) side of the knee joint.

Lateral release search for term

A lateral release is a surgical procedure to release tight capsular structures (lateral retinaculum) on the outer aspect of the knee.

Lateral retinacular lengthening search for term

Lateral retinacular lengthening is a procedure that lengthens the lateral retinaculum by cutting and sliding the superficial layer over the deep layer to allow a more controlled release of tension.

Lateral retinaculum search for term

The lateral retinaculum is the name given to the sheet of fibrous tissue that provide a passive restraint to the patella on the outer (lateral) side of the knee.

Lateral tenodesis search for term

A reinforcement of the side of the knee with a graft.

Lateral thrust search for term

A sideways movement of the knee which occurs suddenly in the early stance phase of walking.

Lateral trochlear inclination angle search for term


Lateral trochlear inclination angle search for term


Lavage search for term

Lavage is a procedure where the joint is washed out.

LCL search for term

Abbreviation of 'lateral collateral ligament'.

Leg curls search for term

A knee rehabilitation exercise.

Leg press search for term

A rehabilitation exercise to strengthen the quadriceps muscle.

Lesion search for term

A lesion is a circumscribed area of tissue damage in the body.

Level I study search for term

A research study that includes a properly designed randomised trial.

Ligament search for term

A ligament is a fibrous restraint between two bones.

Ligament reconstruction search for term

Re-building a torn ligament using tissue from other parts of the body or synthetic material.

Ligamentisation search for term

The process by which a graft rebuilds its structure to resemble a ligament.

Ligamentum mucosum search for term

The ligamentum mucosum - also known as the infrapatellar plica - is a flimsy band of tisse stretching across the front of the knee between the femur bone and the fat pad behind the kneecap.

Limb alignment search for term

The alignment of the leg when standing and weight-bearing.

Limb reconstruction search for term

Surgical rebuilding of a limb that is distorted by injury, birth defect or disease, using techniques such as osteotomy and distraction callotasis (stretching out the bone).

Lipoarthritis traumatica genu search for term

A painful disorder of the fat pad of the knee. Same as 'Hoffa's disease'.

LLPS search for term

Abbreviation of Low Load Prolonged Stretching

LOA search for term

Abbreviation of 'lysis of adhesions'.

Locking search for term

Locking is when the knee suddenly gets caught in a bent position, and it is impossible to straighten it without assistance.

Longitudinal tear search for term

A longitudinal tear of the meniscus follows the curvature of the crescentic shock absorber.

Loose body search for term

A loose body is a loose piece of articular cartilage or meniscus floating around in the knee joint.

Low Load Prolonged Stretching search for term

Low load prolonged stretching is a slow moderate stretch for a prolonged time.

Lunges search for term

A knee rehabilitation exercise.

Lying wall slides search for term

Lying wall slides are knee rehabilitation exercises to increase flexion of the knee.

Lying wall slides (facilitated) search for term

Lying wall slides are knee rehabilitation exercises to improve flexion - 'facilitated' exercises use the good leg to help gain deeper flexion.

Lysholm search for term

The Lysholm scoring system was originally developed to give a score to patients with knee ligament injuries.

Lysis of adhesions search for term

Lysis of adhesions is the surgical procedure of breaking down the strands of material which can form inside the joint if the knee is inflamed; these strands are called 'adhesions'.