Before revision:  Moreover, we identify features in the magnetic recording beyond that of the EMG , at time points which we further analyze in the EEG. This system demonstrates the value of biomagnetic signals in TMS-based clinical approaches and widens its availability and practical potential .
After revision:  Moreover, we identify features in the magnetic recording beyond that of the EMG . Significance: These results validate the viability of MMG recording with a compact OPM based setup in small-sized magnetic shielding, and provide proof-of-principle for a non-contact data channel for detection and analysis of TMS-evoked muscle activity from peripheral limbs .