The following activities may be performed by aides under direct supervision: Assist in the practice of gait and ambulation; Assist in the practice of functional activities; Assist in the practice of transfers; Assist in the routine follow-up of specific exercises; Assist in the application of hot or cold packs; Assist in the procedure of Hubbard tank; Assist in the procedure of whirlpool; Assist in the application of contrast bath; Assist in the application of infrared; and Assist in the application of paraffin bath.