A physical therapist in the ICU is working on lower extremit…
A physical therapist in the ICU is working on lower extremity range of motion to prevent contractures with a new patient who sustained a severe TBI. During the session, the patient begins to posture with upper extremity flexion, lower extremity extension, and grind their teeth. The therapist notes a sudden increase in tone as well as an increase in heart rate and blood pressure on the monitors. This patient is MOST LIKELY experiencing which of the following phenomena?