复数： quadriceps

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 .

第8周的第1天称重，麻醉后，断髓处死，立即取出心、肝、脑、肾和股四头肌置于冰生理盐水中洗净血液，用滤纸吸干，称重。