Diagram of the Human Muscular System (Infographic) Infographics. By Ross Toro published 20 August 2013 When you purchase through links on our site, we may earn an affiliate commission.

Limb-girdle muscular dystrophy type 3 (LGMD D3) is a rare disease causing progressive muscle weakness, caused by point mutations in the hnRNPDL-2 protein.