Here's 3 exercises to throw into your routine that will shake it up a little. A little unorthodox but these will give you a workout in itself.

Knee Lift Crunch

Lie on your back, cross your hands across your body, and lift up into a crunch position. Stay in this position throughout this exercise. You will probably start shaking some when you near the end of this exercise.

Now lift your feet off the ground. Again, they stay here throughout.

Bring the right knee to the chest in a slow, steady movement. Return and do the same with the left knee.

Important . . . this is not a bicycle type legs in motion movement. Your knee is brought to your chest, the leg returns to the starting position, and then the other knee is brought to the chest.

Try to work your way up to 3 sets of 10.

Bear Crawl

Get down on your hands and feet; butt up in the air. Walk on all fours like a bear.

I'll tell you what. You're probably gonna want to start out slowly with this one because you are going to feel it. Great upper body and endurance exercise.

Crab Walk

OK. Reverse the bear crawl. Now your arms are behind you, feet on the floor, and butt off the ground. You're facing upwards.

Start walking backwards on all fours.

Your triceps are going to be aching.

I guarantee if you do these 3 exercises, you'll feel some soreness in your muscles even if you've been exercising for awhile.