In anatomy, internal rotation (also known as medial rotation) is rotation towards the center of the body.
The muscles of internal rotation include:
- of arm/humerus at shoulder
- Deltoid muscle
- Subscapularis
- Teres major
- Latissimus dorsi
- Pectoralis major
- of thigh/femur at hip
- Tensor fasciae latae
- Gluteus medius
- Gluteus minimus
- of leg at knee
- Popliteus
- Semimembranosus
- Semitendinosus
- of eyeball (motion is also called "intorsion" or incyclotorsion)
- Superior rectus muscle
- Superior oblique muscle
Famous quotes containing the words internal and/or rotation:
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“The lazy manage to keep up with the earth’s rotation just as well as the industrious.”
—Mason Cooley (b. 1927)