What two muscles are used to climb stairs, stand up, and walk?

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The quads extend your knees when your legs straighten. The hamstrings, sartorius and gastrocnemius flex your knees. The gastrocnemius and soleus assist during plantar flexion, when you push up from a step, while the tibialis anterior is primarily responsible for dorsiflexion when your foot lands on a step.

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How does American culture contribute to drug use in America?

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Answer:

Overall drug use and alcohol consumption in the United States are on the rise. According to the National Center for Drug Abuse Statistics (NCDAS), almost 32 million people (11.7% of the population) were actively using drugs as of 2018, with marijuana, prescription stimulants, and methamphetamines as the most popular drugs of choice. Add alcohol and tobacco use, and more than 60% of the US population was actively using some form of substance.

Drug use can affect the users (especially those who are struggling with addiction), as well as their loved ones and society as a whole. Drug use costs the country more than $740 billion each year in lost work, health care, and drug-related crimes.

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