1. Organization of Neural Structures Involved in the Control of Movement

2. Organization of Lower Motor Neurons in the Ventral Horn of the Spinal Cord

3. Somatotopic Organization of Lower Motor Neurons in the Ventral Horn at the Cervical Level

4. The Motor Unit The Motor Unit

5. Force and Fatigability of the Three Different Types of Motor Units

6. Recruitment of Motor Neurons in the Cat Medial Gastocnemius Muscle Under Different Behavioral Conditions

7. The Effect of Stimulation Rate on Muscle Tension

8. Stretch Reflex Circuitry Stretch Reflex Circuitry

10.  motor Neuron Activity Affects Reponses of Muscle Spindles

11. The Stretch Reflex

12. Comparison of the Function of Muscle Spindles and Golgi Tendon Organs

13. Negative Feedback Regulation of Muscle Tension By Golgi Tendon Organs

14. Spinal Cord Circuitry Responsible for the Flexion Reflex

15. Flexion Reflex Pathways

16. Central Pattern Generators Organize the Cycle of Locomotion for Terrestrial Mammals