Muscle tissue types

  • Skeletal muscle: Anchored to the bone and is used for skeletal movement such as locomotion and in maintaining posture (male: 42%; female: 36% of total body mass)
  • Smooth muscle: Within the walls of organs and structures such as the oesophagus, stomach, intestines, bronchi, uterus, urethra, bladder, blood vessels, and the arrector pili in the skin
  • Cardiac muscle: “Myocardium”, having a similar structure to skeletal muscle and found only in the heart

Fiber types

  • Type I (slow-twitch)
  • Type IIa (fast-twitch)
  • Type IIx/IIb (fast-twitch)

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