Which Is an Action of the Quadriceps Femoris Group

question 25

Multiple Choice

Which is an action of the quadriceps femoris group?

• A)lateral flexion of the trunk at the spinal joints
• B)extension of the thigh at the hip joint
• C)flexion of the thigh at the hip joint
• D)flexion of the leg at the knee joint

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Definitions:

Sample Mean

The average of all the data points in a sample, used as an estimate of the population mean.

Population Standard Deviation

A measure of the dispersion or variability of a set of data points in a population, indicating how much each member differs from the population mean.

Confidence Level

The probability or percentage that specifies how confident one is in a statistical estimate or interval to contain the true parameter of the population.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a specified confidence level.