Fig. 26From: Ultrasound and non-ultrasound imaging techniques in the assessment of diaphragmatic dysfunctionReproduced with permission from John Wiley and Sons: Sarwal et al. Muscle Nerve 2013;47(3):319–29Ultrasound guidance for needle electromyography. (Left panel, a) Setup for real‐time ultrasound imaging of the diaphragm during placement of a needle electrode. (Right panel, b) Needle electrode penetrating the zone of apposition of the diaphragm.Back to article page