Each testing device features a special unit that automatically collects data, stores results, computes statistics and prompts you for the next test. When combined with optional Easy Docs Plus™ software, data can be transferred to PC word processors and spreadsheets. The Commander series includes instruments to measure grip strength, pinch strength, muscle groups, and pain threshold. Accurately and objectively tests muscle strength and identifies areas of weakness. Stores/analyzes 40 tests with up to 4 repetitions per side. Records peak force, and calculate CV and strength deficits.