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Mary Jo Holloran, MS, CRNP and Cat Volkmann, RN honored by Baltimore Magazine for "Excellence in Nursing"March 1, 2018
Towson Orthopaedic Nurses Honored by Baltimore Magazine
Congratulations to our Baltimore Magazine’s “Excellence in Nursing” winners, Mary Jo Holloran, MS, CRNP and Cat Volkmann, RN!

February 19, 2018
Orthopaedic Care, Physical Therapy & Cardiovascular Therapy in Your Community
We’re proud to provide specialists from Towson Orthopaedic Associates, Towson Sports Medicine (Rosedale) & UM St. Joseph Cardiovascular Associates for 2 informative seminars…

UM St. Joseph Medical CenterJanuary 19th, 2018
SJMC Voted Among Top 20 Hospitals in the US for Hip & Knee Replacement
UM SJMC Voted #17 Top Hospital in the United States for Total Hip and Total Knee Replacement.

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Alvin J. Detterline, M.D.

Dr. Detterline - Baltimore Sports Physician & Arthroscopic SurgeonDr. Alvin J. Detterline is a board certified orthopaedic surgeon and sports medicine specialist.

Dr. Detterline specializes in sports medicine, arthroscopy (including knee, shoulder, hip, elbow, and ankle), and general orthopaedics. He strongly believes in minimally invasive procedures utilizing the most up-to-date techniques to maximize patient recovery and minimize pain. Many procedures can be performed arthroscopically (through the use of small incisions and a camera instead of large open surgical wounds) which allow for a quicker recovery for many patients. Dr. Detterline treats both common and complex conditions of the knee, hip, shoulder, elbow, and ankle. Here is just an example of the conditions he treats and procedures he performs.

All Knee Ligament Injuries/Reconstructions

  • Anterior cruciate ligament (ACL)
  • Posterior cruciate ligament (PCL)
  • Medial collateral ligament (MCL)
  • Lateral collateral ligament (LCL) and posterolateral corner structures
  • Medial patellofemoral ligament (MPFL) following patella (kneecap) dislocation

Meniscus Injuries

  • Meniscal repairs
  • Meniscus transplantation
  • Meniscectomy

Articular Cartilage

  • Osteochondritis Dissecans (OCD) lesions
  • Osteochondral autograft (OATS)
  • Osteochondral allograft
  • Microfracture
  • Articular cartilage allograft

Knee Tendon Injuries

  • Patella tendon ruptures
  • Quadriceps tendon ruptures
  • Tendonitis

Knee Arthritis

  • Partial knee replacement
  • Certified in Biomet Oxford partial knee replacement
  • Patellofemoral resurfacing
  • Total knee replacement

Knee Malalignment

  • Tibial tubercle osteotomy
  • High tibial osteotomy
  • Distal femoral osteotomy

Knee Fractures

  • Patella fractures
  • Tibial plateau fractures
  • Distal femur fractures

Rotator Cuff Tears

  • Acute and chronic
  • Partial and complete
  • Tendonitis
  • Impingement of the shoulder

Labral Tears

  • Anterior and posterior from dislocation
  • SLAP tears (superior labrum)

Shoulder Dislocations

  • Labral tears
  • Glenoid (shoulder socket) fractures
  • Repetitive dislocators requiring bone graft augmentation


  • Tendonitis
  • Partial or complete tears

Clavicle Fractures

AC (Acromioclavicular) Joint

  • AC arthritis
  • Distal clavicle excision
  • AC separations (separated shoulder)
  • Acute and chronic
  • Clavicle fractures
  • Shoulder fractures
  • Proximal humerus fractures

Arthroscopic Hip Surgery

  • Labral repair
  • Labral debridement
  • CAM and Pincer debridement

Femoroacetabular Impingement

  • CAM lesions
  • Pincer lesions
  • Labral tears

Stress Fractures

Articular Cartilage Injuries

  • Loose bodies
  • Focal cartilage defects

Ankle/Foot Fractures and Dislocations

  • Fibula fractures
  • Tibial fractures
  • 5th metatarsal fractures

Tendon Injuries of the Foot and Ankle

  • Achilles tendon ruptures
  • Achilles tendonitis
  • Peroneal tendonitis or instability

Articular Cartilage

  • Osteochondral lesions of the talus
  • Ankle arthroscopy and microfracture

Ankle Instability

  • Sprains
  • Acute and chronic

Sports Injuries

  • Turf toe
  • Ankle impingement


  • Treatment of capitellar OCD lesions

Sports Injuries

  • Tendonitis
  • Fractures

Be sure to see our Video Library below.

Education and Training

Dr. Detterline attended Wake Forest University where he graduated summa cum laude with a B.A. degree in Physics and Chemistry in 1998. He received his M.D. degree from Indiana University in 2002. He completed his orthopaedic residency at Rush University Medical Center in Chicago, IL. Dr. Detterline received his fellowship training in sports medicine and arthroscopy at the Cincinnati Sports Medicine and Orthopaedic Center under the esteemed Dr. Frank Noyes.

Athletic Team Affiliations

Dr Detterline: Baltimore Sports MedicineDr. Detterline is athletic team physician for:

  • Calvert Hall College High School
  • Friends School (Baltimore)
  • Mercy High School
  • Parkville High School

More About Dr. Detterline

Dr. Detterline grew up in northwest Indiana just outside Chicago. After completing his orthopaedic surgery and sports medicine training, he moved to Baltimore in 2008. He is an avid tennis player who also enjoys exercise, running, national parks, American history, and spending time with his wife and two young children.

Certification and Professional Society Memberships

Honors and Awards

  • Fellow American Academy of Orthopaedic Surgeons
  • Gunnar B.J. Andersson, M.D., Ph.D. Resident Teacher Award
  • Jorge O. Galante, M.D. Chief Resident Excellence in Research Award
  • Orthopaedic Research and Education Foundation: Midwest Orthopaedic Resident Research
  • Symposium Third Place Award Recipient
  • Phi Beta Kappa
  • Wake Forest University Dean’s List
  • Sigma Pi Sigma, National Physics Honor Society
  • Golden Key National Honor Society

What Dr. Detterline’s Patients Have to Say…

  • To Dr. Detterline, Melissa and Everyone Else in the Office,
    Thank you for all your care and help. Merry Christmas!

    –Zachary W.

    …Read More

  • Melissa:  Just like last year’s surgery, you make things happen with such a positive attitude.

    Thanks for coordinating. You make it easier!!


    …Read More

News & Notes

After the Fall – Surgery heals a high school lacrosse player’s shoulder in time for him to start at Notre Dame

Dr. Detterline fixes shoulder separation with severely torn ligaments

April, 2014 — Recruited as a high school sophomore to play lacrosse at University of Notre Dame, Garrett Epple was playing his last regular season game as a senior at Calvert Hall High School when he took a hard fall on the shoulder of his dominant arm – the one with which he shoots and throws. Read MORE…

Saving a Torn Meniscus: Advanced Repair Saves Sports Career

Dr. Detterline Saves Soccer Career with Advanced Meniscus RepairSept. 8, 2009 — Last summer, Calvert Hall varsity soccer player Elliott Crompton aggressively jumped up for a header during a scrimmage and, as he came back down, “something weird happened” in his knee. “No big deal,” he thought, and kept playing. But the next day, he called his mom at work to say, “I can’t move.” He was seated at his computer with his knee locked. Read MORE…

Patient Features & Feedback

pat_feat_ec2_th1Maximizing Function After a Torn Meniscus
Elliot C., Baltimore, Md Dr. Detterline’s patient, Meniscus Repair

It was a hot August day on the Calvert Hall School fields and the highly-ranked varsity soccer team was scrimmaging. Midfielder. Read MORE…