Patient is a 24 year old male who injured his spine in a car…

Patient is a 24 year old male who injured his spine in a car accident.  His car flipped several times and he was ejected from the vehicle, resulting in a T4 spinal cord injury.  He has full functional strength of his upper extremities.  Complete paraplegia is noted in the lower extremities.  During his initial transfer training a sliding board was utilized.  When instructing a patient to use the sliding board, what should be your initial instruction?