You Are Providing Physical Therapy for a Young Patient with Multiple

You are providing physical therapy for a young patient with multiple sclerosis who is having difficulty performing dual tasks.She wants to be able to walk while using her smart phone.You plan to use Gentile's taxonomy to progress the activities.What progression will you use to increase the level of challenge as her dual task control improves?

A) Walking indoors while holding a phone to her ear;walking indoors while talking on the phone;walking outdoors while texting
B) Standing indoors while watching TV;standing indoors while operating the TV remote;walking indoors while talking on the phone
C) Sitting on a Physioball while talking on the phone;standing on an inflated disc reading a text;walking in the therapy gym while reading a text
D) Sitting on a stool with wheels while talking on the phone;standing in a crowed area while texting;walking while talking on the phone