DYSF and neuromuscular disease caused by qualitative or quantitative defects of dysferlin: Since there are no other known models of dysferlinopathy in other species, locomotor proficiency and muscular anatomy through MRI (both lower leg and hip region) were evaluated in dysferlin‐deficient B6.A‐Dysfprmd/GeneJ (Bla/J) mice to define disease parameters for therapeutic assessment.