When an Olympic Weightlifter Uses Explosive Strength to Lift a Personal

question 171

Multiple Choice

When an Olympic weightlifter uses explosive strength to lift a personal best,the _________ fibers in her legs are probably the most active,but the marathon runner relies on her _________ fibers.

• A) slow twitch;fast twitch
• B) fast twitch;slow twitch
• C) Type I;Type IIa
• D) Type I;Type IIb

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Definitions:

Developmental Psychologists

Professionals who study the psychological growth and changes that occur throughout a person's lifespan, from infancy to old age.

Nature and Nurture

A debate concerning the relative importance of an individual's innate qualities ('nature') versus personal experiences ('nurture') in determining or causing differences in physical and behavioral traits.

Overweight Children

Children having a body mass index (BMI) at or above the 85th percentile for their age and sex, indicating they weigh more than is considered healthy.

Hypothesis

A proposed explanation or educated guess for a phenomenon, based on observations, that can be tested through experimentation or further observation.