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The collarbones are sometimes partly or completely absent in cleidocranial dysostosis. The levator claviculae muscle , present in 2–3% of people, originates on the transverse processes of the upper cervical vertebrae and is inserted in the lateral half of the clavicle.
Cleidocranial dysostosis (CCD), also called cleidocranial dysplasia, is a birth defect that mostly affects the bones and teeth. [1] The collarbones are typically either poorly developed or absent, which allows the shoulders to be brought close together. [1]
The main function of striated muscle tissue is to create force and contract. These contractions in cardiac muscle will pump blood throughout the body. In skeletal muscle the contractions enable breathing, movement, and posture maintenance. [1] Contractions in cardiac muscle tissue are due to a myogenic response of the heart's pacemaker cells ...
Some muscle soreness is normal after exercise and typically goes away on its own in a few days. However, the experts would never ignore or exercise through severe pain.
Only skeletal and smooth muscles are part of the musculoskeletal system and only the muscles can move the body. Cardiac muscles are found in the heart and are used only to circulate blood; like the smooth muscles, these muscles are not under conscious control. Skeletal muscles are attached to bones and arranged in opposing groups around joints. [8]
These transformations usually result in the person looking slimmer but without the muscle tone and firmness associated with a slower, less drastic approach to weight loss via diet and exercise.
Tears of the pectoralis major are rare and typically affect otherwise healthy individuals. This type of injury is known to affect the athletic population, namely in high-impact contact sports such as powerlifting, and may result in pain, weakness, and disability.
Parents are being called away from their important jobs and students are missing important class time because they are showing their collarbones! Something needs to change!" Posted by Stacie Dunn ...