List of external rotators of the human body

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External rotation (or extorsion or lateral rotation) is an anatomical term of motion referring to rotation away from the center of the body. The external rotator muscles include:

Muscles

• of arm/humerus at shoulder^[1]
  • Deltoid muscle
  • Supraspinatus
  • Infraspinatus
  • Teres minor
• of thigh/femur at hip^[2]
  • Gluteus maximus
  • Lateral rotator group
    • piriformis
    • gemellus superior
    • obturator internus
    • pectineus
    • gemellus inferior
    • obturator externus
    • quadratus femoris
  • Sartorius
• of leg at knee^[3]
  • Biceps femoris
• of eyeball (motion is also called "extorsion" or excyclotorsion)^[4]
  • Inferior rectus muscle
  • Inferior oblique muscle

See also

• List of internal rotators of the human body

References

External links