Objective: To study effect of hemiplegic shoulder pain and genu recurvatum on recovery of upper and lower limb function and research Preventive and therapeutic effect of early rehabilitation on them.

Sixty-four long-term(more than 1 year) stroke patients with hemiplegia and knee extension problem undertook a training course,involving 90 times and 45min per time.

Treatment of Hoffa facture associated with extensor mechanism injury;

ObjectiveTo study the effects of Chinese massage on knee extension velocity and electromyogram in sarcopenia.

Influence of some changes in patellar position and configu ration on knee extensor mechanism in sagittal plane;

For probing into the influences of the loaded leg extension exercise on the middle-aged and the elderly s muscle strength of lower extremities and balance ability,this paper took 50 Nanjing community citizens aged from 56 to 72 as research objects,carried on 12 weeks loaded leg extension exercise,determined and compared the changes of lower extremities before and after the exercises.