Full head and neck movement with normal muscle strength. Normal shoulder movement. Full use of arms, wrists and fingers. Complete paralysis of lower body and legs. Upper body strength will vary depending on level of injury, but the lower the level, the stronger the upper body strength and balance. babysitting games psp games A T4 injured person will have good strength in the chest muscles, however this will get progressively weaker the higher up the injury. Sympathetic nervous system may be compromised, possibility of Autonomic Dysreflexia.