These exercises work multiple muscles groups at the same time and the muscles can be stressed more when they are working together as one unit as opposed to working them individually in isolation. (getthisstrength.com)
Because we're looking to create functional strength and size, we'll be doing lots of full - body routines with compound exercises that work multiple muscle groups at once. (nerdfitness.com)
Some exercises are isolation exercises that focus mostly on the glutes, and other exercises work multiple muscles at once. (best-leg-exercises.com)