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.
In other contexts, including some areas of social sciences, gender includes sex or replaces it. For instance, in non-human animal research, gender is commonly used to refer to the biological sex of the animals. This change in the meaning of gender can be traced to the 1980s.