Why Is Aponeurosis Different from Tendon?

Aponeurosis is an extremely delicate, thin sheath-like structure, which attaches muscles to the bones whereas tendons are tough, rounded cord-like structures which are extensions of the muscle. Normally, tendons allow the attachment of the muscle from its originating bone to the bone on which it ends.

How are tendons and aponeurosis different?

Nerves supplying tendons end in what are known as neurotendinous spindles or organs of Golgi these axe described with the organs of the senses. The aponeuroses are flattened or expanded tendons, of a pearly-white color, iridescent and often glistening; they are only sparingly supplied with blood vessels.

What is the function of aponeurosis and how are they different from tendons?

When a muscle moves by flexing or extending, an aponeurosis acts like a spring to bear the extra pressure and tension. A tendon, on the other hand, moves a bone when a muscle contracts. Tendons allow the body to move and be flexible while aponeuroses allow the body to be strong and stable.