A great way to provide a full range of motion for your muscles to work, cables and bands are especially great for targeting specific muscle groups. (thebettyrocker.com)
The rest of the week follows up on the circuit training by targeting specific muscle groups throughout the week. (popworkouts.com)
These workouts don't focus on specific muscle groups to develop them and are mainly about burning as much fat as possible for a long time. (massgainsource.com)