Internal rotation

From Psychology Wiki

In anatomy, internal rotation (also known as medial rotation or intorsion) is rotation towards the center of the body.

The muscles of internal rotation include:

• of arm/humerus at shoulder^[1]
  • Deltoid muscle
  • Subscapularis
  • Teres major
  • Latissimus dorsi
  • Pectoralis major
  • Biceps Brachii

• of thigh/femur at hip^[2]
  • Tensor fasciae latae
  • Gluteus medius

• of leg at knee^[3]
  • Popliteus
  • Semimembranosus
  • Semitendinosus

• of eyeball (motion is also called "intorsion" or incyclotorsion)^[4]
  • Superior rectus muscle
  • Superior oblique muscle

[edit] See also

• Lateral rotation

[edit] References

1. ↑ Shoulder Articulations
2. ↑ Hip Articulations
3. ↑ Knee Articulations
4. ↑ Dictionary at eMedicine Intorsion

[edit] External links

• Dictionary at eMedicine internal+rotation

v·d·e Joints
Types of joints	Amphiarthrosis - Symphysis - Gomphosis - Synovial joint (Hinge joint, Pivot joint, Condyloid joint, Saddle joint, Ball and socket joint, Gliding joint)
Terminology	Kinesiology - Anatomical terms of motion - Agonist/Antagonist
Motions	Flexion/Extension - Adduction/Abduction - Internal rotation/External rotation - Supination/Pronation - Plantarflexion/Dorsiflexion - Eversion/Inversion - Elevation/Depression - Protraction/Retraction

This page uses content from the English-language version of Wikipedia. The original article was at Internal rotation. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License.