1 The crude protein contents ofM, quadriceps femoris increased until l 0 weeks old, and kept stable after l 0 weeksold.

2 The quadriceps femoris T of the high intensity group increase in the growth spurt period.

3 Objective : To observe the curative effect of quadriceps Femoris reestablishment on 392 cases of poliomyelitis.

4 Muscle and tendon length The length of each quadriceps femoris head muscle was measured from the MRIs.

5 Conclusion:New paraspinal pathway of quadriceps femoris can be established by L1-L3 spinal ventral roots anastomosis after spinal cord injury at L2 level hemitransection in rats.

6 Knee injury scale and strength of quadriceps femoris were used to evaluate the effects.

7 The treatment of musculus quadriceps femoris paralysis by lo ng end of musculus biceps femoris, semitendinosus or semimembranous in recent years.

8 Objective:To investigate the electricity quantity change of the quadriceps femoris muscle of knee osteoarthritis patient during some training exercise.

9 Objective To observe the effects of systems of progressive resistance exercise on lower limb extensors (quadriceps femoris) of stroke patients.

10 Bio- resorbable membranes were used between quadriceps femoris and femur.

11 Results The common physical signs were tenderness in knee, positive grinding test of patella, McMurray sign, fricative, muscular atrophy of quadriceps femoris,(www.Sentencedict.com) and stretch or flexion limitation.

12 Conclusion (1)The fracture is related with the structure of femur and thigh muscles stress focus and the fatigue of musculus quadriceps femoris during military training.

13 AIM:To set up muscle disuse atrophy rat models and observe the effect of electrical stimulation(ES)on muscular strength of quadriceps femoris and electromyogram(EMG).

14 Objective:To understand the contribution of the 4 muscles of the quadriceps femoris, and to provide a theoretical basis for clinical treatment of instability of the patellofemoral joint.

15 Electron microscope was used to observe the effect of FSG on ultrastructure in cardiac muscle, liver and quadriceps femoris.

16 Test conclusion: No irritant reactions observed after the medicines of that lot are injected into quadriceps femoris of rabbit limbs.

17 Results (1) Overtraining caused the decrease of the mitochondrial protein in quadriceps femoris.

18 Objective To observe the effect of the muscle replacement therapy for paralysis of the quadriceps femoris.

19 Objective : To analyze the compensatory mechanism of walking when quadriceps femoris muscle is paralyzed.