A 17-year-old male presents to the Emergency Department by ambulance after suffering trauma in a high school football game. The patient states he is in severe pain and is holding his right lower extremity. Physical examination reveals 2+ peripheral pulses bilaterally and decreased sensation to light touch of the right upper extremity. Xray imaging shows a fracture of the patient’s right femur. Which of the following physical exam findings would be concerning for an upper motor neuron lesion?