Which Muscles Probably Contract to Cause the Torso to Rotate

question 39

Multiple Choice

Which muscles probably contract to cause the torso to rotate opposite that of the pelvis during the leg-cocking phase of an in-step soccer kick?

• A) Quadratus lumborum and semispinalis
• B) Semispinalis and multifidi
• C) Multifidi and external oblique
• D) External oblique and internal oblique

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Definitions:

Marginal Benefit

The additional satisfaction or utility that a person receives from consuming an additional unit of a good or service.

Additional Serving

An extra portion or second helping of food provided after the consumption of an initial serving.

Economic Thinking

A method of evaluating issues and making decisions based on the principles of economics, such as cost-benefit analysis, scarcity, and opportunity cost.

Marginal Change

A small, incremental adjustment to an existing set of conditions or a decision.