To do a neurovascular assessment on an immobilized extremity, do the following:1) Insert one or two fingers into the proximal and distal ends.2) If feasible, palpate the cast limb's distal pulse and record its strength.3) Take note of the color of the nail beds.4) Instruct the patient to report any feelings in the cast-covered limb.5) Request that he twitch his fingers or toes.