File:Hand grip strength ME CFS.jpg

Title: (or description)
Hand grip strength. Mean average hand grip strength at each time point within each recruitment category. Key: HC - healthy controls; MS - multiple sclerosis; CF/nonME - chronic fatigue not meeting study criteria for ME/CFS; MEmm - ME/CFS mild/moderately affected; MEsa - ME/CFS severely affected.

Author: (or citation)
Nacul LC, Mudie K, Kingdon CC, Clark TG and Lacerda EM (2018) Hand Grip Strength as a Clinical Biomarker for ME/CFS and Disease Severity. Front. Neurol. 9:992. doi: 10.3389/fneur.2018.00992

Figure 1

Source: (e.g. internet address)
https://www.frontiersin.org/articles/10.3389/fneur.2018.00992/full