SIH Work Care is an approach designed to combine the strengths of occupational health, rehabilitation and wellness programs to function cohesively for companies and their employees. The SIH Work Care team collaborates to provide injury navigation management and treatment of injured workers-getting back to work as soon as possible.  SIH Work Care is an approach designed to combine the strengths of occupational health, rehabilitation and wellness programs to function cohesively for companies and their employees. The SIH Work Care team collaborates to provide injury navigation management and treatment of injured workers-getting back to work as soon as possible.