On a model identify she folkowring ce tirder of Because the trapezia has a broad

Question

On a model identify she folkowring ce tirder of Because the trapezia has a broad origin, the muscle can be divided into middle, and inferior. On a skeleton. use pipe cleaners to illustrate the paths of the three regions and answer the following questions about their Wil the superior region elevate or depress the scapula? Wall the middle region protract oe retract the scapula? Posterior view Will the inferior region elevate or depress the scapula On a skeleton, use pipe cleaners to connect the origins and insertions of the levator scapulae, and the two rbomboids. Notice that all three muscles connect the vertebral column to the medial border of the scapulae. Answer the following questions MAKING CONNECTIONS Explain how the stability of the scapula would be affected if you lost the function of the pectoralis minot, serratus anterior, and rhomboids Will all three muscles elevate or depress the scapula? Will the two rhomboids protract or retract the scapula?

Explanation / Answer

2.Superior region inserts into clavicle and elevates scapula.

Middle region inserts into acromion and retracts the scapula.

Inferior region inserts into spine of scapula and depress the scapula.

3. The muscles levator scapulae and rhombhoids elevate scapula.

The rhombhoids retract scapula.

Making connections:

Losing the function of the pectoralis minor,serratus anterior and rhomboids would affect shoulder flexion.

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