Extension (Or Straightening)of the Elbow Stops When the Proximal End

question 18

Multiple Choice

Extension (or straightening) of the elbow stops when the proximal end of the ulna encounters the ________.

• A)coronoid fossa of the humerus
• B)medial epicondyle of the humerus
• C)trochlea of the humerus
• D)olecranon fossa of the humerus

---

Definitions:

Z-statistic

The Z-statistic is a type of standard score that indicates how many standard deviations an element is from the mean, used in hypothesis testing for normal distributions.

Standard Error

A measure that describes the distribution of sample means around the population mean in a sampling distribution.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; indicates how much the values in a data set differ from the mean.

Variability

A measure of how much scores in a data set differ from each other and from the mean, indicating the spread or dispersion of the data points.