Legal analysis: hamstring tendon connection affects normal life, and if disability identification is needed, apply to the judicial identification center for identification. The specific results shall be subject to the appraisal results. You can refer to the classification of disability degree of human injury. For example, the muscle paralysis of one foot (muscle strength below grade 3) mostly belongs to grade 9 disability. If it is a work-related injury, go to the municipal labor ability appraisal Committee of the district for appraisal, and the specific results shall be subject to the appraisal results. You can refer to the disability level of employees' work-related injuries and occupational diseases in labor ability appraisal. For example, the muscle strength of bipedal paralysis is level 3, which belongs to the level 5 disability of work injury.

Legal basis: the full text of the appraisal of work ability, occupational disease and disability grade.

Full text of human injury and disability classification