Using the Kendall method of manual muscle testing, the new Lafayette Manual Muscle Tester gives you an objective, reproducible and reliable measurement of muscle strength. The new ergonomically redesigned easy-to-use MMT fits easily in the hand and now includes added features requested by therapists: Three molded plastic interchangeable stirrups, graphical LCD display, dual measurement range (0 to 50 pounds in 0.1-pound increments and 0 to 300 pounds in 1-pound increments), pounds/kilogram selectable, built-in serial computer connection, stored measurement of peak force and the time required to reach peak force, automatic verification of calculation and a tone for preset trial lengths.