Fig. 1From: The acute effects of targeted abdominal muscle activation training on spine stability and neuromuscular control a Experimental setup for surface EMG: external oblique (EO), internal oblique (IO), thoracic erector spinae (TES) and lumbar erector spinae (LES). b Ultrasound images of the muscles of interest for indwelling EMG: internal oblique (IO), transversus abdominis (TrA), and deep multifidus (MF)Back to article page