Force recording
Dynamometer
This device is used to assess muscle strength.
Source: http://tbw.com.br/produto/dinamometrojamar/
Pain assessment
An algometer is a tool used to measure the pressure pain threshold (PPT) and pain tolerance.
Source: http://somedic.com/en/algometer.html
Load cells
This is a table and chair manufactured and equipped with load cells that were attached to measure the weight bearing during seated working conditions.