Motor+Tracts+and+Lesions

=**Motor Tracts and Lesions**=


 * 1. Review location and inputs to lower motor neurons.**


 * 2. Describe the origin and termination for the four supraspinal descending motor tracts, make sure to include the details of their pathway.**


 * 3. Describe the differences in the sensory and motor loss for the following: peripheral nerve lesion, dorsal root lesion, and ventral root lesion.**


 * 4. List the signs of a lower motor neuron lesion. Be sure you understand the underlying cause for each symptom listed.**


 * 5. List the signs of an upper motor neuron lesion. Be sure you understand the underlying cause for each symptom listed.**


 * 6. Describe the effect of the spinal cord lesions discussed in class. Make sure to explain both the sensory and motor changes for each lesion.**