Rotator cuff tear be 2 to 3 times more common than bursal-sided tears and among a population of young athletes, articular-sided tears constituted 91% of all partial-thickness tears. Rotator cuff tear A rotator cuff tear is an injury of one or more of the tendons or muscles of the rotator cuff of the shoulder. Symptoms may include shoulder pain, which is often worse with movement, or weakness. This may limits people's ability to brush their hair or put on clothing. Clicking may also occur with movement of the arm. Tears may occur as the result of a sudden force or gradually over time.
Rectus sheath transversalis fascia, in contrast to the upper layers, where part of the internal oblique also runs beneath the rectus. Because of the thinner layers below, this region is more susceptible to herniation. Since the tendons of the internal oblique and transversus abdominis only reach as high as the costal margin, it follows that above this level the sheath of the rectus is deficient behind, the muscle resting directly on the cartilages of the ribs, and being covered only by the tendons of the external obliques. Rectus sheath The rectus sheath, also called the rectus fascia, is formed by the aponeuroses