This Muscle Works as a Fixator of the Shoulder When

question 9

Multiple Choice

This muscle works as a fixator of the shoulder when you attempt to lift a heavy table with your forearm.

• A)serratus anterior
• B)external oblique
• C)platysma
• D)deltoid

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Definitions:

Economic Profits

The difference between total revenue earned from production and the total opportunity costs of all inputs used in the production process.

Long-Run Equilibrium

A state in which economic forces such as supply and demand are balanced over the long term, with all factors of production and markets adjusting fully to any changes.

Long-Run Cost Curve

A graphical representation that shows the minimum cost at which different quantities of output can be produced in the long run, highlighting economies and diseconomies of scale.

Industry Supply Curve

A graphical representation showing the relationship between the price of a good and the total output supplied by all firms in the industry.