Call call call collar


A long-awaited HK girl group, Collar, has just debuted recently. I believe that everyone has been hearing the term, Collar, a lot since, but do you know that one of the bones in our body is also named collar? That is right, it's our clavicle, also known as collar bone.


What is special about Collar?


The clavicle connects our sternum and the acromion of the scapula, and our shoulder complex (including the scapula and the upper limb) is connected to the main trunk by this clavicle. The joint between the clavicle and the sternum is the sternoclavicular joint, which assists our abduction and horizontal adduction of our upper limbs. The acromioclavicular joint is the joint where the clavicle connects the acromion of the scapula. Although the movement of the AC joint is very little, it allows the scapula to tilt and rotate.


How strong is Collar?


Clavicle fractures are not uncommon. Since the force of the upper limb is transmitted to the body through the clavicle, the force can be enough to fracture the clavicle when we fall on an outstretched hand. The weakest part of the collar bone is the middle section, so the middle section is more likely to fracture, while the two ends are more likely to be dislocated or separated. Although there are many ligaments surrounding the joints on both sides of the clavicle, separation can occur when these ligaments are damaged or torn. Since the sternoclavicular joint is more centrally located, the acromioclavicular joint is more common to be injured than the sternoclavicular joint. Arthritis of the acromioclavicular joint is also very common.


I hope you get to learn more about our own Collar through this post.

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