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.
In general terms, sex refers to the biological differences between males and females, such as the genitalia and genetic differences. Gender is more difficult to define but can refer to the role of a male or female in society (gender role), or an individual's concept of themselves (gender identity).
Feminism vs Gender Equality. Difference between feminism and gender equality may seem non-existent as both speak about equal rights for the genders. However, there is a difference. Both feminism and gender equality are very critical topics in the modern day society.