Muscle (disambiguation)

Look up muscle in Wiktionary, the free dictionary.

A muscle is a contractile tissue in an animal's body used especially for movement composed of muscle or muscle tissue. In this sense it can refer to:

• Skeletal muscle, the voluntary muscle allowing conscious movement in vertebrates
• Smooth muscle, the muscle of the internal organs of vertebrates, and throughout many invertebrates
• Cardiac muscle, the specialized muscle of the heart

Muscle or Muscles or variation, may also refer to: