This appears to be brought about by NFATc1 induced by CLFS inhibiting the 2B MyHC promoter (McCullagh et al. 2004), Hyperthyroidism does robustly induce 2B MyHC expression in the soleus of hindlimb suspended rats (Haddad et al. 1998) in which CLFS is lost. Here, MYH6 is linked to hyperthyroidism.