This study was part of a larger project with a principal objective of identifying risk factors that may be associated with the use of hand-held ICT devices. The long-term goal is to reduce pain and musculoskeletal disorders in regions of the thumbs, fingers, hands, wrist and forearm associated with ICT work. The aim of this study was to determine whether there are any associations between thumb-based exposures registered with relatively easy-to-use electrogoniometric methods and more complicated EMG methods. Our hypothesis was that some outcome measures from the simpler electrogoniometric methods are related/correlated to and may be used as surrogate measure for the more complicated EMG methods. Knowledge of such correlations would facilitate more specific, relevant, exposure assessments in future studies. Specifically, at the group level (using group summary measures), the purpose is to determine whether there are any substantial and physiologically meaningful correlations between thumb-based electrogoniometry and EMG parameters. Another purpose, by temporally comparing each individual’s synchronously sampled goniometry and EMG signals, was to determine whether there were any correlations at the individual, signal-to-signal level. If either group or individual level correlations exist between the two methods, then under certain circumstances, the simpler electrogoniometric methods may be used as surrogate measures for the more complicated EMG measures. This may reduce the effort and technological burden on future studies conducted to identify differences between individuals, work techniques and devices used in ICT work