Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine : 605-336-2638
Patient Info

Shoulder

Shoulder Anatomy :: Rotator Cuff Tear :: Shoulder Impingement
Shoulder Arthroscopy :: Frozen Shoulder :: Shoulder Joint Replacement

Normal Anatomy of the Shoulder Joint

How does the Shoulder joint work?
Find out more in this web based movie.

Normal Anatomy of the Shoulder Joint
Arthroscopy of the Knee Joint  

Shoulder Motion and Rotator Cuff


Rotator Cuff Tear

Rotator cuff is the group of tendons in the shoulder joint providing support and enabling wider range of motion and shoulder strength. Injury to the shoulder may result in tear of these tendons and the condition is called "rotator cuff tear." The rotator cuff tear usually causes severe shoulder pain.

Dr. Peterson specializes in repairing Rotator Cuff tears with a minimally-invasive all arthroscopic technique. He became an expert while completing a specialty fellowship in arthroscopic shoulder surgery where he perfected the latest, innovative shoulder scope techniques. The surgery is done through several small "key-holes" and allows for much faster recovery, less pain, and improved motion once healed. Also, the strength of repairs and clinical results are equivalent or better than traditional, large incision surgery.

Dr. Peterson says, "Most all rotator cuff tears that were once only able to be treated through large surgical incisions can now be treated arthroscopically in a minimally-invasive fashion. This is an exciting time to be an arthroscopic surgeon and I am happy to be able to offer these cutting-edge techniques to my patients."

Click on the tabs below to know more on rotator cuff repair surgery.

Rotator Cuff Tear
Rotator Cuff Tear Rotator Cuff Tear

Biomet For more information please visit Biomet Inc. Website.


Superior Labrum Anterior Posterior

Dr Peterson uses a revolutionary new anchor for arthroscopic labral repairs that is one-third the size of traditional implants/anchors. This is less invasive, carries a lower risk for the patient, and allows Dr Peterson to perform more secure repairs than was possible in the past.

Superior Labrum Anterior Posterior
SLAP Lesion - pull-off of the Labrum (pink) from the Glenoid.
Superior Labrum Anterior Posterior
SLAP lesion seen from the side, with the Humeral Head removed. The front of the shoulder is on the left.

 

Biomet Click here to learn more


AC Seperation (Shoulder Seperation)

A shoulder separation or acromioclavicular (AC) seperation results from a fall directly on the shoulder. The injury involves the acromioclavicular joint (AC joint). The AC joint is where the collarbone meets the highest point of the shoulder blade.

For more information please visit AAOS Website.


Shoulder Impingement

Shoulder impingement is also called as swimmer's shoulder, tennis shoulder, or rotator cuff tendinitis. It is the condition of inflammation of the tendons of the shoulder joint caused by motor vehicle accidents, trauma, and while playing sports such as tennis, baseball, swimming and weight lifting.

Find out more about Shoulder Impingement from the following links.

Shoulder Impingement
Shoulder Impingement Shoulder Impingement

After tear of rotator cuff, acromion is going to elongation.


Shoulder Arthroscopy

Dr. Peterson is an expert in shoulder arthroscopy having received training from world-renowned shoulder surgeons at the Mayo Clinic. After he left Mayo, he completed a fellowship dedicated to arthroscopy of the shoulder and knee. While there he developed expertise in treating shoulder conditions in a minimally-invasive, arthroscopic fashion. His specializes in all-arthroscopic rotator cuff repairs, bankart repairs, SLAP repairs, arthroscopic instability repairs, subacromial decompression, and arthroscopic distal clavicle excision. He has recently developed an arthroscopic bicep tendon repair procedure (bicep tenodesis ) that can be performed in a less invasive fashion than traditional approaches. Also, Dr. Peterson specializes in treating shoulder separations (AC separations). Dr. Peterson says, "Many conditions that were once only able to be treated through large surgical incisions can now be treated arthroscopically in a minimally-invasive fashion. This is an exciting time to be an arthroscopic surgeon and I am happy to be able to offer these cutting-edge techniques to my patients."

Find out more about Shoulder Arthroscopy from the following links.

Shoulder Arthroscopy
Shoulder Arthroscopy Shoulder Arthroscopy

Before and After Reverse Shoulder Replacement

Biomet For more information please visit Biomet Inc. Website.


Frozen Shoulder

Frozen shoulder is the condition of painful shoulder limiting the movements because of pain and inflammation. It is also called as adhesive capsulitis and may progress to the state where an individual may feel very hard to move the shoulder.

Find out more about Frozen Shoulder from the following links.

Frozen Shoulder
Frozen Shoulder Frozen Shoulder

Shoulder Joint Replacement

Dr. Peterson specializes in shoulder surgery. He has trained with multiple, world-renowned shoulder surgeons. Many shoulder conditions can be treated all arthroscopically, however, shoulder arthritis usually needs to be treated with replacement. Dr. Peterson's performs Total shoulder replacement, Reverse shoulder replacement, and Copeland humeral hemi-resurfacing. One of the major recent advances in shoulder replacement includes the use of the Reverse replacement. This implant is for patients with arthritis and a massive, non-repairable rotator cuff tear. This is a condition that up until a few years ago, no good surgical option existed. Dr. Peterson says "The results can be nothing short of amazing." He is proud to have trained at the Mayo Clinic with the surgeons who designed the prosthesis that he uses.

Find out more about Shoulder Joint Replacement from the following links.

Shoulder Joint Replacement
Shoulder Joint Replacement Shoulder Joint Replacement

Total Shoulder Replacement


Reverse Shoulder Replacement

Comprehensive Reverse Shoulder System


Interactive web based movies (click on the desired topic to find out more)

Shoulder Anatomy Shoulder Anatomy Shoulder Impingement Shoulder Impingement
Shoulder Arthroscopy Shoulder Arthroscopy Shoulder Joint Replacement Shoulder Joint Replacement
Rotator Cuff Tear Rotator Cuff Tear Shoulder Instability Shoulder Instability
Frozen Shoulder Frozen Shoulder    

Click on the topics below to find out more from the Orthopaedic connection website of American Academy of Orthopaedic Surgeons.

Meet Dr.Peterson
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Shoulder Arthroscopy - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Knee Arthroscopy - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Hip Arthroscopy - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Arthroscopic RC Repair - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Minimally Invasive Joint Replacement - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Cartilage Restoration/Osteotomy - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
Patella (Kneecap) Dislocation - Erik D.Peterson, MD - Orthopedic Surgery & Sports Medicine
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ABOS - The American Board of Orthopaedic Surgery AAOS - American Academy of Orthopaedic Surgeons AANA - Arthroscopy Association of North America Stop Sports Injuries Mayo Clinic
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