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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.
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What muscles form a posterior group and act on the pectoral girdle?
They are rhomboid major and rhomboid minor. You have trapezius muscle. The latissimus dorsi gives or takes the support is not clear.
Is it true that the pectoral girdle is formed by the articulation of the hip bones and the sacrum?
No - the pectoral girdle refers to the shoulders. The two bones that make up the pectoral girdle are the scapula and clavicle.
Which bones for the pectoral girdle?
The movable pectoral girdle bones are the scapulae and the clavicles. These bones must have a range of movement in order to allow the upper body to function properly.
Compare the pectoral and pelvic girdles in terms of flexibility allowed?
Flexibility: pectoral girdle is more flexible-less ligaments, ball and socket joint is shallower Security: pelvic girdle is more secure, deeper socket. there are more dislocated shoulders than dislocated hips ability to bear weight: pelvic girdle can bear more weight-the pelvic girdle has bones that are fused (os coxa) and a joint with the sacrum. the pectoral girdle has a little bone called the clavicle connecting it to the body wall.
How many bones make up the pectoral girdle?
There are 3 bones in the shoulder girdle.4 bones
What muscles form a posterior group and act on the pectoral girdle?
They are rhomboid major and rhomboid minor. You have trapezius muscle. The latissimus dorsi gives or takes the support is not clear.
The forelimbs on a frog attach to the central skeleton by first attaching to the girdle?
pectoral girdle
Does the scapulae form the collar bone?
No. the collar bone is the clavicle. The clavicle is the anterior portion of the shoulder girdle. The scapula is the posterior portion of the shoulder girdle.
What is the scientific name for shoulder girdle?
The scientific name for the shoulder girdle is "pectoral girdle." It is the set of bones that connect the upper limbs to the axial skeleton.
Girdle formed by the articulation of the hip bones and the sacrum?
Pectoral Girdle
Is the pectoral or pelvic girlde lightweight?
The pectoral girdle is typically lighter in weight compared to the pelvic girdle. This is because the pectoral girdle is designed for more flexibility and mobility in upper body movements, while the pelvic girdle provides support and stability to the lower body.
Is it true that the pectoral girdle is formed by the articulation of the hip bones and the sacrum?
No - the pectoral girdle refers to the shoulders. The two bones that make up the pectoral girdle are the scapula and clavicle.
What is pectoral girdle joined to?
of front side pectoral girdle is connected with bone of chest while on the back side it is connected with vertebral column through muscles.
The shoulder blades and collarbones form the?
Pectoral girdle
What is the only membrane bone of the pectoral girdle?
the clavicle
What is the pectoral girdle in a dog fish shark?
A collection of cartilaginous elements that support the paired pectoral fins.
Which bones for the pectoral girdle?
The movable pectoral girdle bones are the scapulae and the clavicles. These bones must have a range of movement in order to allow the upper body to function properly.
