Section 287.808 RSMo directs that we shall construe the provisions of Chapter 287 strictly. ${ }^{1}$
Section 287.220.1 RSMo sets forth the obligations of the Second Injury Fund. It provides, in relevant part:
All cases of permanent disability where there has been previous disability shall be compensated as herein provided...If any employee who has a preexisting permanent partial disability whether from compensable injury
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[^0]: ${ }^{1}$ Statutory references are to the Revised Statutes of Missouri 2007, unless otherwise indicated.
or otherwise, of such seriousness as to constitute a hindrance or obstacle to employment or to obtaining reemployment if the employee becomes unemployed, and the preexisting permanent partial disability, if a body as a whole injury, equals a minimum of fifty weeks of compensation or, if a major extremity injury only, equals a minimum of fifteen percent permanent partial disability, according to the medical standards that are used in determining such compensation, receives a subsequent compensable injury resulting in additional permanent partial disability so that the degree or percentage of disability, in an amount equal to a minimum of fifty weeks compensation, if a body as a whole injury or, if a major extremity injury only, equals a minimum of fifteen percent permanent partial disability, caused by the combined disabilities is substantially greater than that which would have resulted from the last injury, considered alone and of itself, and if the employee is entitled to receive compensation on the basis of the combined disabilities, the employer at the time of the last injury shall be liable only for the degree or percentage of disability which would have resulted from the last injury had there been no preexisting disability. After the compensation liability of the employer for the last injury, considered alone, has been determined by an administrative law judge or the commission, the degree or percentage of employee's disability that is attributable to all injuries or conditions existing at the time the last injury was sustained shall then be determined by that administrative law judge or by the commission and the degree or percentage of disability which existed prior to the last injury plus the disability resulting from the last injury, if any, considered alone, shall be deducted from the combined disability, and compensation for the balance, if any, shall be paid out of a special fund known as the second injury fund...
(Emphasis added).
Section 287.190.6(1) RSMo defines permanent partial disability. "Permanent partial disability' means a disability that is permanent in nature and partial in degree."
Missouri courts have determined when a disability becomes permanent.
After reaching the point where no further progress is expected, it can be determined whether there is either permanent partial or permanent total disability and benefits may be awarded based on that determination. One cannot determine the level of permanent disability associated with an injury until it reaches a point where it will no longer improve with medical treatment. Furthermore, an employers' liability for permanent partial or permanent total disability does not run concurrently with their liability for temporary total disability.
Although the term maximum medical improvement is not included in the statute, the issue of whether any further medical progress can be reached is essential in determining when a disability becomes permanent and