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What is the bone that cannot resist strong forces but provides the only fixed support for the pectoral girdle?
The clavicle, commonly known as the collarbone, is the bone that cannot resist strong forces but provides the only fixed support for the pectoral girdle. It acts as a strut that holds the scapula in place, allowing the upper limb to move freely.
What is the posterior portion of pectoral girdle?
the scapula (shoulder blade) and the clavicle (collarbone) make up the pectoral girdle. Each upper limb articulates with the trunk at the pectoral girdle, or shoulder girdle The pectoral girdle consists of two broar, flat scapulae and the two slender, curved clavicles. Each clavicle articulates with the manubrium of the sternum; these are the only direct connections between the pectoral girdle and the axial skeleton. Skeletal muscles support and position each scapula, which has no bony or ligamentous connections to the thoracic cage.
Shoulder girdle bone that articulates with and transmits forces to the bony thorax?
The clavicle is the shoulder girdle bone that articulates with and transmits forces to the bony thorax. It acts as a strut connecting the scapula to the sternum, allowing for movement and stability of the shoulder joint, as well as helping to transfer forces from the upper limb to the axial skeleton.
What is one fact about the clavicle?
It is the only bone in the pectoral girdle (humerus, scapula, clavicle) which attaches to the axial skeleton. Your arm is held onto the rest of the skeletal system by the clavicles attachment, ligaments and muscles.
What is the clavicle?
It is the collarbone.Also see "what is the function of the clavicle."In human anatomy, the clavicle or collar bone is classified as a flat bone that makes up part of the shoulder girdle (pectoral girdle). It receives its name from the Latin clavicula ("little key") because the bone rotates along its axis like a key when the shoulder is abducted. (This movement is palpable with the opposite hand). In some people, particularly females who may have less fat in this region, the location of the bone is clearly visible as it creates a bulge in the skin.Clavicle is the medical term for collar bone.The bone linking the scapula and the sternum.
Does the clavicle articulate with the sternum?
Yes, the clavicle articulates with the sternum at the sternoclavicular joint, forming the only direct connection between the axial skeleton and the pectoral girdle.
Why is the pectoral griddle an incomplete ring?
The pectoral girdle is considered an incomplete ring because it does not form a complete circle around the body. Instead, it consists of two separate components: the clavicles (collarbones) at the front and the scapulae (shoulder blades) at the back, which are connected to the axial skeleton only at the sternum. This design allows for greater flexibility and a wider range of motion in the upper limbs, but it results in an incomplete bony enclosure. Consequently, the pectoral girdle facilitates the attachment of the upper limbs while maintaining structural and functional mobility.
What is the hip-bone of a python?
It is referred to as the pelvic girdle. Boas and pythons are the only snakes that still have them, and that's where their spurs are connected to.
What are the names of the 3 shoulder girdle?
The shoulder girdle is actually the clavicle scapula and top of sternum. The bony process at top of shoulder is the acromion process which connects with the spine of the scapula. The joint between this and the clavicle is known as the AC joint (Acromioclavicular). These bones make up the shoulder girdle
What is the function of clavicle?
This is a very good question! Your humerus bone forms joint with your scapula. You will be surprised to know that this important bone is not attached to your chest by any bony attachment. It is attached to chest wall by muscles only. That too only the medial and upper border is attached like that. This bone is attached to your chest via clavicle. So your upper extremity gets the mobility on one hand and stability on the other hand.
What is a girdle in greek and roman mythology?
The only girdle I know of what Hippolyta's Girdle. A girdle then is the same as a girdle now, they just serve different purposes. A girdle is a wide sash or belt worn at the waist. For Hippolyta, it was her symbol of authority.
What is the shoulder girdle bone that is unattached to the axial skeleton?
scapula : either of a pair of large triangular bones lying one in each dorsal lateral part of the thorax, being the principal bone of the corresponding half of the shoulder girdle, and articulating with the corresponding clavicle or coracoid -called also shoulder bladeScapula
