Fig. 4

Fractional synthetis rate (FSR) of muscle myofibrillar and connective tissue protein. FSR of muscle myofibrillar (a) and connective tissue (b) protein given in %/hr in control (CON) and rheumatoid arthritis (RA) patient groups, measured in the resting, fasted (BASAL) state and after intake of whey protein alone (PROT) and in combination with unilateral resistance exercise (EX) (PROT + EX). Black bars denote rheumatoid arthritis patients (RA, n = 13) and grey bars healthy controls (CON, n = 12–13). Letters a, b and c denote significant differences between sampling time points (two-way RM ANOVA)