EXHIBIT 31.1
 SELECT MEDICAL HOLDINGS CORPORATION AND  SELECT MEDICAL CORPORATION  CERTIFICATIONS PURSUANT TO SECTION 302 OF  THE SARBANES-OXLEY ACT OF 2002  CERTIFICATION
  1.
    
    I have reviewed this quarterly report on Form 10-Q
of Select Medical Holdings Corporation and Select
Medical Corporation;2.
    
    Based on my knowledge, this report does not contain
any untrue statement of a material fact or omit to
state a material fact necessary to make the
statements made, in light of the circumstances
under which such statements were made, not
misleading with respect to the period covered by
this report;3.
    
    Based on my knowledge, the financial statements,
and other financial information included in this
report, fairly present in all material respects the
financial condition, results of operations and cash
flows of the registrant as of, and for, the periods
presented in this report;4.
    
    The registrants other certifying officer and I are
responsible for establishing and maintaining
disclosure controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and
15d-15(f)) for the registrant and have:
 a)
    
    Designed such disclosure controls and
procedures, or caused such disclosure
controls and procedures to be designed
under our supervision, to ensure that
material information relating to the
registrant, including its consolidated
subsidiaries, is made known to us by
others within those entities,
particularly during the period in
which this report is being prepared;b)
    
    Designed such internal control over
financial reporting, or caused such
internal control over financial
reporting to be designed under our
supervision, to provide reasonable
assurance regarding the reliability of
financial reporting and the
preparation of financial statements
for external purposes in accordance
with generally accepted accounting
principles;c)
    
    Evaluated the effectiveness of the
registrants disclosure controls and
procedures and presented in this
report our conclusions about the
effectiveness of the disclosure
controls and procedures, as of the end
of the period covered by this report
based on such evaluation; andd)
    
    Disclosed in this report any change in
the registrants internal control over
financial reporting that occurred
during the registrants most recent
fiscal quarter (the registrants
fourth fiscal quarter in the case of
an annual report) that has materially
affected, or is reasonably likely to
materially affect, the registrants
internal control over financial
reporting; and
 5.
    
    The registrants other certifying officer and I
have disclosed, based on our most recent evaluation
of internal control over financial reporting, to
the registrants auditors and the audit committee
of the registrants board of directors (or persons
performing the equivalent functions):
 a)
    
    All significant deficiencies and
material weaknesses in the design or
operation of internal control over
financial reporting which are
reasonably likely to adversely affect
the registrants ability to record,
process, summarize and report
financial information; and
b) Any fraud, whether or not material,
that involves management or other
employees who have a significant role
in the registrants internal control
over financial reporting.
 Date: May 5, 2011
    /s/ Robert A. OrtenzioRobert A. OrtenzioChief Executive Officer