What are the four types of ligament?

What are the four types of ligament?

The four main ligaments in the knee connect the femur (thighbone) to the tibia (shin bone), and include the following:

  • Anterior cruciate ligament (ACL).
  • Posterior cruciate ligament (PCL).
  • Medial collateral ligament (MCL).
  • Lateral collateral ligament (LCL).

Where does anterolateral ligament attach?

The anterolateral ligament is held above the dissecting scissors; it is 69 mm long by 7 mm wide, and attaches 9 mm proximal to the epicondyle. The tibial attachment is mid-way between Gerdy’s tubercle and the head of the fibula.

What is the lateral collateral ligament?

The lateral collateral ligament (LCL) is on the outer side of your knee and runs from the top part of the fibula (the bone on the outside of the lower leg) to the outside part of the lower thigh bone. The ligament helps keep the outer side of your knee joint stable.

What are all the ligaments in the knee?

Knee ligaments are bands of tissue that connect the thigh bone in the upper leg to the lower leg bones. There are four major ligaments in the knee: ACL, PCL, MCL and LCL. Injuries to the knee ligaments are common, especially in athletes.

What are the 3 types of ligaments?

Types of articulation ligaments There are three types of the articulation ligaments: capsular, extracapsular and intracapsular. They differ by their location within a joint.

What are the 3 ligaments in the knee?

They are:

  • Anterior cruciate ligament (ACL). This ligament is in the center of the knee.
  • Posterior cruciate ligament (PCL). This ligament is in the back of the knee.
  • Medial collateral ligament (MCL). This ligament gives stability to the inner knee.
  • Lateral collateral ligament (LCL).

Where is the anterolateral knee?

On the anterolateral tibia, grossly located midway between Gerdy’s tubercle and the tip of the fibular head.

What is the Popliteus tendon?

The popliteus tendon is the tendon of the popliteus muscle and is located at the posterior aspect of the knee. It originates from the lateral femoral condyle, where the popliteofibular ligament comprises a portion of its proximal thickness.

What causes LCL injury?

The causes of an LCL injury include: A direct blow to the inside of the knee. The force of the blow can impact the ligament along the outside edge of the knee enough to stretch it or make it tear. It’s common among athletes who play sports like football or hockey in which players collide with each other.

What movement does the lateral collateral ligament prevent?

The lateral collateral ligament (LCL) or fibular collateral ligament, is one of the major stabilizers of the knee joint with a primary purpose of preventing excess varus and posterior-lateral rotation of the knee.

What’s the largest ligament in your body?

The iliofemoral ligament is the strongest ligament in the body and attaches the anterior inferior iliac spine (AIIS) to the intertrochanteric crest of the femur. The pubofemoral ligament prevents excess abduction and extension, ischiofemoral prevents excess extension, and the iliofemoral prevents hyperextension.

What type of ligament is the ACL?

Abstract. The anterior cruciate ligament (ACL) is a band of dense connective tissue which courses from the femur to the tibia. The ACL is a key structure in the knee joint, as it resists anterior tibial translation and rotational loads.

Which knee ligaments are most important?

The cruciates are the most important knee ligaments in providing stability of the knee. There are two cruciate ligaments, anterior (ACL) and posterior (PCL).

Where do you inject your knee?

The knee joint is the most common and the easiest joint for the physician to aspirate. One approach involves insertion of a needle 1 cm above and 1 cm lateral to the superior lateral aspect of the patella at a 45-degree angle.

What is the function of popliteus?

Despite its small size, the popliteus is a major stabilizer of the knee. The popliteus is involved in both the closed chain phase and open-chain phase of the gait cycle. During the closed chain phase, which is when the foot is in contact with the ground, the muscle externally rotates the femur on the tibia.

What is the function of the popliteal?

The popliteus muscle assists in knee flexion and its function is decided according to the position of the lower extremity, i.e. weight-bearing or non weight-bearing, as it is a primary internal rotator of the tibia in a non weight-bearing position.

Can LCL heal without surgery?

The lateral collateral ligament (LCL) on the outside of your knee may be torn and need rest to heal. The lateral collateral ligament (LCL) is on the outside of your knee and stabilizes your knee. If it is injured, such as during sports, it can often heal without surgery. Icing your knee is important.

Does LCL tear require surgery?

When the LCL is completely torn or not healing with nonsurgical therapy, you may need surgery to reconstruct the ligament. While some LCL injuries can be treated with anti-inflammatory medications as well as conservative treatments such as rest, ice, compression, and elevation, most people will need surgery.