A lot of us have a routine when we exercise. Routines are great because they enable us to have a plan and execute it without too much thinking involved. The downside to routines is that they can get a little, well routine.
To avoid boredom in your exercise routine, think about doing the same exercises, but changing the order in which you do them. Not only will you avoid boredom but going about your routine in a different order will stimulate a different pattern of motor unit recruitment.
If your typical workout consists of: Warm up for five minutes on treadmill, elliptical for 30 minutes, leg press, lunges, squats and then calf raises.
Then next time try this: Warm up on the stair master for five minutes, leg presses, squats, lunges, calf raises and then hit the elliptical for 30 minutes.