Objectives â¢ Review of neural innervation of the upper limb (UL) â Brachial Plexus. â¢ Sensory-motor connections between the central nervous system and upper limb. â¢ Internal Models of motor control: Forward Models. Basis for Motor Coordination. â¢ Functional compromise of the UL due to chronic neck pain. â Recent studies on Upper Limb coordination during a functional task.