The musculoskeletal system is the combination of the muscular and skeletal systems working together and includes the bones, muscles, tendons and ligaments of the body.he musculoskeletal system is the combination of the muscular and skeletal systems working together and includes the bones, muscles, tendons and ligaments of the body.
A social identity is the portion of an individual's self-concept derived from perceived membership in a relevant social group.s originally formulated by Henri Tajfel and John Turner in the 1970s and the 1980s, social identity theory introduced the concept of a social identity as a way in which to explain intergroup behaviour.
Group identity is an aspect of social identity and arises form internal processes of identification and the external group processes that lead to individuals strongly associating themselves with a group and its members,the group characteristics and practices etc.roup identity is an aspect of social identity and arises form internal processes of identification and the external group processes that lead to individuals strongly associating themselves with a group and its members,the group characteristics and practices etc.