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A ballet dancer falls to the floor and hurts herself during a practice session before opening night. She sustains an injury to the thoracodorsal nerve that would probably affect the strength of which of the following movements? Extension of the arm

Respuesta :

The question is incomplete as it does not have the option which are:

  1. Adduction of the scapula
  2. Elevation of the scapula
  3. Abduction of the arm
  4. Lateral rotation of the arm
  5. Extension of the arm

Answer:

Extension of the arm

Explanation:

The thoracodorsal nerves are the motor nerves which brings the stimulus from the brain to the effector muscle.

The thoracodorsal nerves arise from the brachial plexus and innervate the Latissimus dorsi which is found in the back of the human body.

The Dorsi muscle is involved in the adduction, extension and adduction of the shoulder joints.  In the given question, if the thoracodorsal nerve of the person is affected than the person is not able to extend their arm.

Thus, the selected option is correct.

he thoracodorsal nerve also known as the middle subscapular or long subscapular nerve arises from the posterior cord of the brachial plexus and supplies the

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