Table 1.

Gender, age, tissue and strain classification for each organism. Eight distinct muscle tissues, 4 different age stages (years for human and weeks for mouse) and 4 separated mouse strains with their combinations

Organism	Human	Mouse
Gender	Both, Male, Female	Both, Male, Female
Age	All ages, Child, Young, Adult, Old	All ages, Embryo, Young, Adult, Old
Anatomic part	Combined heart, Left ventricle, Both ventricles, Myocardium, Combined skeletal muscle, Quadriceps, Rectus abdominis, Biceps brachii	Combined heart, Left ventricle, Both ventricles, Combined skeletal muscle, Quadriceps, Gastrocnemius, Tibialis anterior, Soleus
Strain	NA	Combined, C57BL/6 J, CD1, C3H/HeJ, FVB