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external rotation
(redirected from Laterally rotate)

   Also found in: Wikipedia 0.01 sec.
external rotation,
turning outwardly or away from the midline of the body, such as when a leg is externally rotated with the toes turned outward or away from the body's midline.

external rotation
Lateral rotation Biomechanics The act of turning about an axis passing through the center of the leg; ER of the leg occurs with closed chain supination; the talus acts as an extension of the leg in frontal and transverse planes


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These two muscles laterally rotate and abduct the hip and are important to help stabilize the hip.
The following rotator cuff muscles form a cap over the proximal end (top) of the humerus (upper arm bone): * Infraspinatus -- extends and laterally rotates the arm.
The gluteals (maximus, medius, and minimus) and the "deep six" muscles of the hip (piriformis, quadratus femoris, obturator internus, obturator externus, gemellus superior, and gemellus inferior) serve to flex, extend, abduct, adduct, and medially or laterally rotate the hip.
 
 
 
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