For a Specific Amount of Work Done by the Legs

question 16

Multiple Choice

For a specific amount of work done by the legs when moving from a sitting to standing position, which of the following factors needs to occur to increase the power of the legs during this activity?

• A)Increase both work done and time needed to move by same percentage
• B)Increase the time needed to move from sit to stand
• C)Decrease both work done and time needed to move by same percentage
• D)Decrease the time needed to move from sit to stand

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Definitions:

Robust Australopithecines

Extinct hominids known for their sturdy skeletal structures, part of the early human lineage that lived in Africa.

Gracile Australopithecines

A subgroup of the Australopithecus genus characterized by their more slender and lightly built frame compared to their robust cousins.

Utilitarian Artifacts

Objects made by humans for practical purposes rather than for decoration or artistic expression.

Regional Specialization

The development of specific economic activities and industries in particular areas or regions, often based on geographic benefits or resource availability.