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Damage to the nerves in obstetric paralysis can be caused by pressing their clavicle against the 1st rib. A fracture of the collarbone during childbirth can also result in damage to the brachial plexus. Pressure from the mother's pelvic ring in a narrow pelvis on the supraclavicular region can also lead to obstetric paralysis. While when stretching the arm along the length of the body or with the shoulder abducted to a right angle, there is a uniform tension of all branches of the brachial plexus, the attachment of the rotation of the shoulder in one direction or Cialis creates an uneven tension of the branches of the brachial plexus, while more sharply tense nn. suprascapularis, axillaris, radialis, musculocutaneus.
Another factor causing tension in the predominantly same conductors emanating from the upper half of Cialis pills plexus is a sharp deviation of the head with the neck to the side opposite to the fixed half of the shoulder girdle. With simultaneous rotation of the head and pulling it away from the fixed shoulder, tension occurs on the upper roots of C5, C6 over the protruding transverse processes. An increase in traction and an increase in rotation until the head is completely turned to the opposite shoulder lead to a sharp stretching and defibration of the upper roots and suprascapular nerve.