Healthcare News
Impact of Reverse Shoulder Arthroplasty Design and Patient Shoulder Size on Moment Arms and Muscle Fiber Lengths in Shoulder Abductors
Reverse shoulder arthroplasty (RSA) increases the moment arm of the deltoid, however there is limited knowledge on the accompanying changes in muscle architecture that play a role in muscle force production. The purpose of our study is to use a geometric shoulder model to evaluate the anterior deltoid, middle deltoid, and supraspinatus regarding 1) differences in moment arms and muscle-tendon lengths in small, medium, and large native shoulders, and 2) impact of three RSA designs on moment arms, muscle fiber lengths, and force-length (F-L) curves.
Laser-etched allograft may have positive short-term results in articular cartilage defects
Results published in Journal of Orthopedic Surgery showed that a thin, laser-etched osteochondral allograft yielded positive short-term clinical outcomes in isolated articular cartilage defects in the knee.
5 long-term problems after meniscus surgery
Although arthroscopic surgery of the meniscus is minimally invasive, you may still experience knee pain after surgery.
Common to Serious Arm Pain Causes
Arm pain can be in the upper or lower arm. You may feel arm pain on the outside of your shoulder. Arm pain can also travel further down the arm toward the elbow.
Allograft ACL reconstruction had higher revision rate in patients younger than 34 years
While ACL reconstruction with an allograft was associated with a high risk of revision in younger patients, it may be an acceptable choice for older patients who are not athletes, according to a presenter here.