Anterior cruciate ligament acl is one of the two cruciate ligaments that stabilize the knee joint. The acl along with the posterior cruciate ligament pcl is located in the center of the knee.
The knee joint is a modified hinge joint because its primary movement is a uniaxial hinge movement that consists of three joints within a single synovial cavity.
Acl knee anatomy. The anterior cruciate ligament acl is a band of dense connective tissue which courses from the femur to the tibia. The knee is formed by the femur the thigh bone the tibia the shin bone and the patella the kneecap. Pcl posterior cruciate ligament strain or tear.
Lets begin with the basics of knee anatomy. In knee joint anatomy knee ligaments are the main stabilising structures of the knee preventing excessive movements and instability. Several muscles and ligaments control the motion of the knee and protect it from damage at the same time.
The acl is the most injured ligament of the four located in the knee. Gross anatomy the acl arises from the anteromedial aspect of the intercondylar area on the tibial plateau and passes upwards and backwards to. The acl is a key structure in the knee joint as it resists anterior tibial translation and rotational loads.
Pcl tears can cause pain swelling and knee instability. The anterior cruciate ligament runs diagonally in the middle of the knee. The knee is made up of four main things.
It prevents the tibia from sliding out in front of the femur as well as provides rotational stability to the knee. The anterior cruciate ligament acl is 1 of 4 main ligaments in the knee. The anterior cruciate ligament is one of the four main ligaments of the knee providing 85 of the restraining force to anterior tibial displacement at 30 degrees and 90 degrees of knee flexion.
Ligaments are rope like structures that connect and hold the bones together to keep the knee stable. Ligaments are tough fibrous connective tissues which link bone to bone made of collagen. An acl injury is the tearing of the anterior cruciate kroo she ate ligament acl one of the major ligaments in your knee.
Acl injuries most commonly occur during sports that involve sudden stops jumping or changes in direction such as basketball soccer football tennis downhill skiing volleyball and gymnastics. Acl anterior cruciate ligament strain or tear. The knee joint tibiofemoral joint is the largest and most complex joint of your body.
The knee joint is made up of three bones and a variety of ligaments. The acl is responsible for a large part of the knees stability. An acl tear often leads to the knee giving out and may require surgical repair.
Anterior cruciate ligament anatomy. Bones cartilage ligaments and tendons.
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