Effect of 17 days of bed rest on peak isometric force and unloaded shortening velocity of human soleus fibers. - Widrick,J.J.; Romatowski,J.G.; Bain,J.L.; Trappe,S.W.; Trappe,T.A.; Thompson,J.L.; Costill,D.L.; Riley,D.A.; Fitts,R.H. (Am J Physiol, 1997)