Okla. Stat. tit. 85A, § 85A-53: Physical examination

A. An injured employee claiming to be entitled to benefits

under this act shall submit to physical examination and treatment by

another qualified physician, designated or approved by the

Commission, as the Commission may require from time to time if

reasonable and necessary.

B. In cases where the Commission directs examination or

treatment, proceedings shall be suspended, and no compensation shall

be payable for any period during which the employee refuses to

submit to examination and treatment or otherwise obstructs the

examination or treatment.

C. Failure of the employee to obey a judgment of the Commission

for an examination or treatment shall bar the right of the claimant

to further temporary total disability compensation in respect to the

injury.