Ligaments are the specialized tissues that connect bones to other bones and ensure organs stay in place. Joints are the most place where ligaments attach, though they serve different purposes as well. Collagen fibers bundle parallel to each other to form bands of dense regular connective tissue. These bands form ligaments and tendons. Because dense regular connective tissue has a poor blood supply, when these areas are injured, they are slow to heal. However, they are also difficult to damage due to their high tensile strength.
The main purpose of most is to passively stabilize whichever joint they span. They help guide the joints through an appropriate range of motion and protect the joint from overextending. The ligaments are also partially responsible for proprioception, the body’s innate ability to sense the position of each body part, as well as the strength used to move them. Without proprioception, it would be incredibly difficult to perform many tasks, such as bringing food to the mouth or brushing hair. The ligaments provide this sense by creating neurological signals when strained.
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