Extension at the Knee Involves ________

question 9

Multiple Choice

Extension at the knee involves ________.

• A) concentric contraction of the hamstring group and eccentric contraction of the quadriceps femoris group
• B) eccentric contraction of the hamstring group and concentric contraction of the quadriceps femoris group
• C) isometric contraction of the hamstring group and isotonic contraction of the quadriceps femoris group
• D) isotonic contraction of both the hamstring group and the quadriceps femoris group

---

Definitions:

Carbon Taxes

Financial charges imposed on the carbon content of fuels, aimed at reducing greenhouse gas emissions.

Coal-Using Industries

Sectors of the economy that significantly rely on coal as a primary source of energy or raw material.

Corn Syrup

A sweet syrup produced from corn starch, used widely in the food industry, particularly for sweetening processed foods and beverages.

Sweeteners

Substances added to food or beverages to enhance sweetness, which can be natural or artificial.