The upper part of the trapezius muscle is the primary target of the shoulder shrug. The trapezius is a triangular muscle that makes up the upper back, running from the back of the neck and down along the spine, lying over the shoulder blades.
Which of the following statements is TRUE? sex and gender refer to the same thing. sex and gender are both dichotomous classifications. sex refers to biological characteristics, whereas gender is the social construction of femininity and masculinity. both sex and gender are biological constructs.
Both the terms gender and sex have been historically interchangeable, but it was not until the late 1960s and early 70s that the term gender began to be more thoroughly defined and spread throughout the literature within the field of psychology.