Bharadwaj, M. S., Tyrrell, D. J., Lyles, M. F., Demons, J. L., Rogers, G. W., Molina, A. J. A. Preparation and Respirometric Assessment of Mitochondria Isolated from Skeletal Muscle Tissue Obtained by Percutaneous Needle Biopsy. J. Vis. Exp. (96), e52350, doi:10.3791/52350 (2015).