A shorter step will place greater emphasis on the quadriceps muscles .
较长的步骤将放在腿部和臀部肌肉更加重视。
Weigh on the 1st day of the 8th week , postanesthetic , the broken marrow is put to death , take out the heart , liver , brain , kidney and musculus quadriceps femoris and put and clean the blood in icing the physiological saline immediately , blot with the filter paper , weigh .