Sit-ups test can test human’s abdomen muscle strength. After input ID number, sit on the test-bed, then put the infrared pillar in the suitable location to sense your curl-up angle, do sit-ups . It can count the curl-up times automatically.
Sit-ups Tester Sit-ups test can test human’s abdomen muscle strength. After input ID number, sit on the test-bed, then put the infrared pillar in the suitable location to sense your curl-up angle, do sit-ups . It can count the curl-up times automatically.