A prison gang, correctly defined, is any gang (where a gang is a group of three or more persons who recurrently commit crime, and where the crime is openly known to the group) that operates in prison.
The skeletal system can be thought of as the passive partner in producing movement; the muscular system can be thought of as the active partner. This chapter explains how muscles interact with bones to maintain posture and produce movement.he skeletal system can be thought of as the passive partner in producing movement; the muscular system can be thought of as the active partner. This chapter explains how muscles interact with bones to maintain posture and produce movement.
Relationship of skeletal muscles to bones. - Muscles are attached to bones by tendons known as the origins and insertions. - Skeletal muscles produce movements by pulling on bones. - Bones serve as levers, and joints act as fulcrums for the levers. - Muscles that move a body part often do not cover the moving part.