In 3 year child with polio paralysis, the tendon transfer operation is done at -

Tendon transfers : are done to equalize an unbalanced paralysis or to use the motor power of working muscles for more useful functions. It is not done before 5 yrs of age as the child has to be manageable enough to be taught proper exercises. As the child is 3 years old, tendon transfer should be done after 2 years (at 5 years of age).