Muscles are joined together by which anatomical structure?

Muscles are joined together by tendons, which are strong connective tissues that attach muscles to bones, enabling movement. When a muscle contracts, the tendon pulls on the bone to which it is attached, allowing for coordinated movement of the skeletal system. Tendons are crucial for the functionality of muscles since they provide the necessary leverage and support during muscular contraction.

In contrast, ligaments connect bones to other bones at joints, reinforcing stability but not directly linking muscles. Cartilage serves as a flexible tissue in joints and provides cushioning but does not connect muscles. Fascia is a layer of connective tissue that surrounds muscles, groups of muscles, blood vessels, and nerves, helping to compartmentalize and support them, but again, it isn't the structure that specifically connects muscles to bones. Hence, tendons are uniquely suited to join muscles effectively and facilitate movement through their attachment to the skeletal framework.