When Both Muscles of This Pair Are Contracted Simultaneously, They

question 6

Multiple Choice

When both muscles of this pair are contracted simultaneously, they flex the neck forward.

• A) trapezius
• B) sternocleidomastoid
• C) platysma
• D) semispinalis

---

Definitions:

Confidence

The degree of certainty or trust in a statistical or experimental result, often expressed as a confidence interval or level.

Test Statistic

A calculated value from sample data used to determine whether to reject the null hypothesis within the framework of a statistical test.

Obtained Value

The actual value calculated from a statistical test's data, used to interpret the result by comparison with critical values of the distribution.

Statistical Procedure

A sequence of operations performed on data to analyze relationships, test hypotheses, and estimate probabilities.