 SHORT PHYSICAL PERFORMANCE BATTERY SPPB. The scale SPPB is a short battery of tests created to evaluate the functionality of the lower limbs. This battery is made up of 3 different sections designed to assess a balance with 3 tests: the maintenance of the position with the feet together for 10 seconds then the semi-tandem and finally tandem again for 10 seconds. The score of this section varies from a minimum of 0 if the patient is unable to maintain position with your feet together for at least 10 seconds to a maximum of 4 if he can accomplish all three tests. The second section of the test is intended to evaluate the progress of 4 linear meters and depending on the time of the performance section of the score ranges from 0 if unable, at one point if the performance has a longer duration of 8.7 seconds, for a up to 4 if he can accomplish the task in less than 4.80 sec. The third section investigates the ability of the battery to run for 5 consecutive times, getting up from a chair without using the arms in this regard that must be crossed in front of chest. Also in this case, the score ranges from 0 incapable or if the performance has a duration greater than 60 seconds, to a maximum of 4 if such performance is carried out in less than 11.20 seconds. The scores range from 0 worst performance to 12 best performance. 