Knee Ligaments Conditions

Knee Sprain

Knee sprain is a common injury that occurs from overstretching of the ligaments that support the knee joint. A knee sprain occurs when the knee ligaments are twisted or turned beyond its normal range, causing the ligaments to tear.

Knee Ligament Injuries

The knee is a hinge joint made up of two bones, the thighbone (femur) and shinbone (tibia). Ligaments are tough bands of tissue that connect one bone to another bone. The ligaments of the knee stabilize the knee joint. There are two important groups of ligaments that hold the bones of the knee joint together, collateral and cruciate ligaments - medial collateral ligament (MCL) and lateral collateral ligament (LCL), and anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL).

ACL Tears

The anterior cruciate ligament (ACL) is one of the major ligaments of the knee. It is located in the middle of the knee and runs from the femur (thighbone) to the tibia (shinbone). The ACL prevents the tibia from sliding out in front of the femur. Together with the posterior cruciate ligament (PCL), it provides rotational stability to the knee.

PCL Injuries

Posterior cruciate ligament (PCL), one of the four major ligaments of the knee, is situated at the back of the knee. It connects the thighbone (femur) to the shinbone (tibia). The PCL limits the backward motion of the shinbone.

MCL Sprains

The medial collateral ligament (MCL), a band of tissue present on the inside of your knee joint, connects your thighbone and shinbone (bone of your lower leg). The MCL maintains the integrity of the knee joint and prevents it from bending inward.

MCL Tears

The medial collateral ligament (MCL) is the ligament located on the inner part of the knee joint. It runs from the femur (thighbone) to the top of the tibia (shinbone) and helps in stabilizing the knee.

Medial Patellofemoral Ligament (MPFL) Tears

The medial collateral ligament (MCL) is the ligament located on the inner part of the knee joint. It runs from the femur (thighbone) to the top of the tibia (shinbone) and helps in stabilizing the knee.

Multiligament Knee Injuries

Injury to more than one knee ligament is called a multiligament knee injury and may occur during sports or other physical activities. Multiligament knee injuries may be mild or severe. Mild sprains do not damage the stability of the joint. A tear in the ligaments may be partial or complete. Partial tears cause loosening of the joint whereas, complete tearing of the ligament causes the joint to be unstable.

Multiligament Instability

The knee is a complex joint of the body that is vital for movement. The four major ligaments of the knee are anterior cruciate ligament (ACL), posterior cruciate ligament (PCL), medial collateral ligament (MCL) and lateral collateral ligament (LCL). They play an important role in maintaining the stability of the knee. A multiligament injury is a tear in one or more ligaments of the knee, which affects the knee stability.

Posterolateral Corner Injuries

Posterolateral corner (PLC) injuries are defined as damage to a complex area of the knee formed by the association of 3 main structures of the knee, namely popliteus tendon, popliteofibular ligament, and lateral (fibular) collateral ligament. Injuries to the posterolateral corner often occur in combination with anterior cruciate ligament (ACL) or posterior cruciate ligament (PCL) tears with isolated PCL injuries occurring rarely.

Posterolateral Instability

Posterolateral instability, also known as posterolateral rotatory instability (PLRI), is a common pattern of knee instability that results from injuries to the structures that support the outside of the knee joint, the posterolateral corner. Posterolateral instability of the knee usually results from a sports-related injury that occurs when the knee is forcefully twisted or hyperextended.

Terrible Triad Injuries

Terrible triad injury, also known as Unhappy triad or O’Donoghue triad, is a condition involving injury to three structures in the knee joint. A terrible triad injury can occur when the foot is firmly fixed on the ground and a strong force pushes the knee to the inside or causes a sudden twisting action. This can lead to overstretching, damage, or tears to the ligaments and medial meniscus.