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In males the clavicle is usually longer and larger than in females. A study measuring 748 males and 252 females saw a difference in collarbone length between age groups 18–20 and 21–25 of about 6 and 5 mm (0.24 and 0.20 in) for males and females respectively. [9] The left clavicle is usually longer and weaker than the right clavicle. [8] [10]
Complications can include a collection of air in the pleural space surrounding the lung (pneumothorax), injury to the nerves or blood vessels in the area, and an unpleasant appearance. [2] It is often caused by a fall onto a shoulder, outstretched arm, or direct trauma. [1] [3] The fracture can also occur in a baby during childbirth. [1]
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...
A fully grown adult features 26 bones in the spine, whereas a child can have 33. Cervical vertebrae (7 bones) Thoracic vertebrae (12 bones) Lumbar vertebrae (5 bones) Sacrum (5 bones at birth, fused into one after adolescence) Coccyx (set of 4 bones at birth)
The axial skeleton (80 bones) is formed by the vertebral column (32–34 bones; the number of the vertebrae differs from human to human as the lower 2 parts, sacral and coccygeal bone may vary in length), a part of the rib cage (12 pairs of ribs and the sternum), and the skull (22 bones and 7 associated bones).
Clavicles (collarbones) can be partly missing leaving only the medial part of the bone. In 10% of cases, they are completely missing. [ 10 ] If the collarbones are completely missing or reduced to small vestiges , this allows hypermobility of the shoulders including ability to touch the shoulders together in front of the chest. [ 11 ]
Jennifer Garner is dressing perfectly on theme for the holidays! On Sunday, Dec. 15, the actress posted a throwback photo of her and her Family Switch costar Ed Helms sporting matching candy-cane ...
In the photo, Johnson was also joined by wife Kelley Phleger. The two share three children: 24-year-old Grace, 22-year-old Jasper and 18-year-old Deacon Johnson.