Professional Bio


  • Ph.D., Cognate in Biomechanics, University of Denver, 1994
  • M.A., Sports Science, University of Denver, 1988
  • B.S., Physical Therapy, University of Michigan, 1979
  • Fellowship in Training Manual Therapy, Evidence in Motion, 2011
  • Fellowship in Physical Therapy under Dr. James Andrews, American Sports Medicine Institute, 1991


Expertise & Certifications

  • APTA Sports Specialty Certification
  • Certified Athletic Trainer
  • Colorado Licensed Physical Therapist
  • Certified Strength and Conditioning Specialist
  • Titlist Golf Performance Instructor

Professional Memberships

  • American Physical Therapy Association (APTA), Sports Medicine and Private Practice Sections, Colorado Liaison with the Sports Medicine Section, Examination Writer for the Sports Speciality of Federation of State Boards of Physical Therapy (FBSBPT)
  • Colorado Chapter APTA, Research Committee, 1994-present, Sunset Licensure Committee
  • National Athletic Trainers Association, Certification Examiner
  • Colorado Athletic Trainers Association, past President and Vice-President
  • National Strength and Conditioning Association, 1988-Present
  • American College of Sports Medicine, 1985-Present

Research & Scholarship

Research Interests

Management of athletic injuries including shoulder instability, lateral epicondylopathy, functional pre-participation assessments and the pitching shoulder.

Recent Publications

Mintken, P., Cleland, J., Carpenter, K., Bieniek, M., & Keirns, M. (2010). Some factors predict successful short-term outcomes in individuals with shoulder pain receiving cervicothoracic manipulation: a single-arm trial. Physical Therapy.

Recent Presentations

Keirns, M. (2011, May). Evidenced Based Intervention for Shoulder Instability. APTA/Colorado Chapter Spring Conference, Denver, Colorado.

Keirns, M. (2011, August). Concussion Management Littleton High School Coaches Seminar. Denver, Colorado Keirns, M. (2011, February). Shoulder Rotator Cuff Rehabilitation Poster Presentation Abstract CSM, New Orleans LA.


Awards & Recognition


  • Clinician of the Year Physiotherapy Associates, 2011
  • Bob Doctor Service Award Colorado State APTA, 2011
  • Alpha Sigma Nu Award, 2010


  • Mintken P., Keirns M., Cleland, J, Whitman J. "Identifying Prognostic Factors for Successful Short-Term Outcomes in Individuals with Shoulder Pain Receiving Cervicothoracic Manipulation" Manuscript PTJ-2009-0095.R2. American Academy of Manual Physical Therapy, $7,000, 2009

  • Keirns, M. (Co-investigator) Manual Therapy and Exercise versus Home Exercises in the Management of Patients Status Post Ankle Sprain: A Multi-Center Randomized Clinical Trial, OPTP Grant, The American Academy of Orthopaedic Manual Physical Therapists, $4000,October 2008-October 2009