motorcyclist wearing a full helmet was thrown from his motorcycle after hitting a patch of oil. The bike had been traveling at a high rate of speed. Manual in line spinal stabilization is being held by an off duty EMT. The primary assessment reveals the patient to be responsive to painful stimuli and breathing rapidly. His radial pulse is weak and fast. As you quickly scan his​ body, you note deformity to the left femur and lower leg. Your immediate action should be​ to: