A37-year-old comatose woman arrives at the emergency room. paramedics say her husband found her unconscious at home. her past medical history consists of type 1 diabetes for which she takes insulin. in the ambulance the paramedics obtained a glucose check and determined she was severely hypoglycemic. they began a dextrose saline infusion and intubated her to protect her airway. despite their efforts she is posturing in the emergency room with her arms straight at her side and her jaw clenched. her legs are also straight and her feet are plantar flexed. what type of posturing is she showing?