Manual Muscle Test (MMT) System Commodes Shower Chairs 75 mm Rear Braked Casters 48750 75 mm Rear Braked Casters analysis measure results 1 kg 1334 N) * Selectable test time from 1 10 seconds * Tone to indicate start stop and entering within a range * Microprocessor controlled * Built in stored data browsing capability * Easy to read graphical LCD display * Automatic shutoff after 5 minutes of inactivity * Battery indicator on LCD display * Interactive menus allowing users to select device options * Battery powered: (1) rechargeable lithium ion battery * Ergonomic hand held device for objectively quantifying muscle strength * The test is performed with the clinician applying force to the limb of a patient * The objective of the test is for the clinician to overcome or break the patient s resistance * The MMT records the peak force and the time required to achieve the break providing reliable accurate and stable muscle strength readings that conform to most manual muscle testing protocols * Features a wide range of customizable options for data storage preset test times and force thresholds * Size: 3